Home / 38,156.44-52,658.58-21,166.12

Finding the Fourth Proportional to 38,156.44, 52,658.58 and 21,166.12

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Solution

The fourth proportional to 38,156.44, 52,658.58 and 21,166.12 is: 29,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.44 : 52,658.58 = 21,166.12 : x
  2. Step 2: Convert to fraction form
    38,156.44/52,658.58 = 21,166.12/x
  3. Step 3: Cross multiply
    38,156.44x = 52,658.58 × 21,166.12
  4. Step 4: Simplify right side
    38,156.44x = 1,114,577,823.31
  5. Step 5: Solve for x
    x = 1,114,577,823.31/38,156.44
  6. Step 6: Final answer
    x = 29,210.74

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Half scale
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Double scale
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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.