Home / 38,030.90-52,482.47-21,263.90

Finding the Fourth Proportional to 38,030.90, 52,482.47 and 21,263.90

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Solution

The fourth proportional to 38,030.90, 52,482.47 and 21,263.90 is: 29,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.90 : 52,482.47 = 21,263.90 : x
  2. Step 2: Convert to fraction form
    38,030.90/52,482.47 = 21,263.90/x
  3. Step 3: Cross multiply
    38,030.90x = 52,482.47 × 21,263.90
  4. Step 4: Simplify right side
    38,030.90x = 1,115,981,625.10
  5. Step 5: Solve for x
    x = 1,115,981,625.10/38,030.90
  6. Step 6: Final answer
    x = 29,344.08

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Double scale
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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.