Home / 38,240.64-52,773.12-21,475.20

Finding the Fourth Proportional to 38,240.64, 52,773.12 and 21,475.20

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Solution

The fourth proportional to 38,240.64, 52,773.12 and 21,475.20 is: 29,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.64 : 52,773.12 = 21,475.20 : x
  2. Step 2: Convert to fraction form
    38,240.64/52,773.12 = 21,475.20/x
  3. Step 3: Cross multiply
    38,240.64x = 52,773.12 × 21,475.20
  4. Step 4: Simplify right side
    38,240.64x = 1,133,313,306.62
  5. Step 5: Solve for x
    x = 1,133,313,306.62/38,240.64
  6. Step 6: Final answer
    x = 29,636.36

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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.