Home / 39,957.16-59,920.16-14,983.60

Finding the Fourth Proportional to 39,957.16, 59,920.16 and 14,983.60

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Solution

The fourth proportional to 39,957.16, 59,920.16 and 14,983.60 is: 22,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.16 : 59,920.16 = 14,983.60 : x
  2. Step 2: Convert to fraction form
    39,957.16/59,920.16 = 14,983.60/x
  3. Step 3: Cross multiply
    39,957.16x = 59,920.16 × 14,983.60
  4. Step 4: Simplify right side
    39,957.16x = 897,819,709.38
  5. Step 5: Solve for x
    x = 897,819,709.38/39,957.16
  6. Step 6: Final answer
    x = 22,469.56

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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.