Home / 47,938.28-71,850.94-21,612.20

Finding the Fourth Proportional to 47,938.28, 71,850.94 and 21,612.20

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Solution

The fourth proportional to 47,938.28, 71,850.94 and 21,612.20 is: 32,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.28 : 71,850.94 = 21,612.20 : x
  2. Step 2: Convert to fraction form
    47,938.28/71,850.94 = 21,612.20/x
  3. Step 3: Cross multiply
    47,938.28x = 71,850.94 × 21,612.20
  4. Step 4: Simplify right side
    47,938.28x = 1,552,856,885.47
  5. Step 5: Solve for x
    x = 1,552,856,885.47/47,938.28
  6. Step 6: Final answer
    x = 32,392.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.