Home / 38,078.22-52,546.02-20,850.12

Finding the Fourth Proportional to 38,078.22, 52,546.02 and 20,850.12

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Solution

The fourth proportional to 38,078.22, 52,546.02 and 20,850.12 is: 28,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.22 : 52,546.02 = 20,850.12 : x
  2. Step 2: Convert to fraction form
    38,078.22/52,546.02 = 20,850.12/x
  3. Step 3: Cross multiply
    38,078.22x = 52,546.02 × 20,850.12
  4. Step 4: Simplify right side
    38,078.22x = 1,095,590,822.52
  5. Step 5: Solve for x
    x = 1,095,590,822.52/38,078.22
  6. Step 6: Final answer
    x = 28,772.11

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Half scale
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Double scale
Find fourth proportional to 38,079.22, 52,547.40 and 20,851.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.