Home / 39,569.28-59,382.96-31,871.04

Finding the Fourth Proportional to 39,569.28, 59,382.96 and 31,871.04

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Solution

The fourth proportional to 39,569.28, 59,382.96 and 31,871.04 is: 47,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.28 : 59,382.96 = 31,871.04 : x
  2. Step 2: Convert to fraction form
    39,569.28/59,382.96 = 31,871.04/x
  3. Step 3: Cross multiply
    39,569.28x = 59,382.96 × 31,871.04
  4. Step 4: Simplify right side
    39,569.28x = 1,892,596,693.48
  5. Step 5: Solve for x
    x = 1,892,596,693.48/39,569.28
  6. Step 6: Final answer
    x = 47,829.95

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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.