Home / 40,938.28-61,407.20-35,374.70

Finding the Fourth Proportional to 40,938.28, 61,407.20 and 35,374.70

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Solution

The fourth proportional to 40,938.28, 61,407.20 and 35,374.70 is: 53,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.28 : 61,407.20 = 35,374.70 : x
  2. Step 2: Convert to fraction form
    40,938.28/61,407.20 = 35,374.70/x
  3. Step 3: Cross multiply
    40,938.28x = 61,407.20 × 35,374.70
  4. Step 4: Simplify right side
    40,938.28x = 2,172,261,277.84
  5. Step 5: Solve for x
    x = 2,172,261,277.84/40,938.28
  6. Step 6: Final answer
    x = 53,061.86

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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.