Home / 37,934.53-52,349.65-20,938.78

Finding the Fourth Proportional to 37,934.53, 52,349.65 and 20,938.78

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Solution

The fourth proportional to 37,934.53, 52,349.65 and 20,938.78 is: 28,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,934.53 : 52,349.65 = 20,938.78 : x
  2. Step 2: Convert to fraction form
    37,934.53/52,349.65 = 20,938.78/x
  3. Step 3: Cross multiply
    37,934.53x = 52,349.65 × 20,938.78
  4. Step 4: Simplify right side
    37,934.53x = 1,096,137,542.68
  5. Step 5: Solve for x
    x = 1,096,137,542.68/37,934.53
  6. Step 6: Final answer
    x = 28,895.51

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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.