Home / 61,336.28-91,938.80-31,724.30

Finding the Fourth Proportional to 61,336.28, 91,938.80 and 31,724.30

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Solution

The fourth proportional to 61,336.28, 91,938.80 and 31,724.30 is: 47,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,336.28 : 91,938.80 = 31,724.30 : x
  2. Step 2: Convert to fraction form
    61,336.28/91,938.80 = 31,724.30/x
  3. Step 3: Cross multiply
    61,336.28x = 91,938.80 × 31,724.30
  4. Step 4: Simplify right side
    61,336.28x = 2,916,694,072.84
  5. Step 5: Solve for x
    x = 2,916,694,072.84/61,336.28
  6. Step 6: Final answer
    x = 47,552.51

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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.