Home / 39,549.76-59,318.88-14,920

Finding the Fourth Proportional to 39,549.76, 59,318.88 and 14,920

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Solution

The fourth proportional to 39,549.76, 59,318.88 and 14,920 is: 22,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.76 : 59,318.88 = 14,920 : x
  2. Step 2: Convert to fraction form
    39,549.76/59,318.88 = 14,920/x
  3. Step 3: Cross multiply
    39,549.76x = 59,318.88 × 14,920
  4. Step 4: Simplify right side
    39,549.76x = 885,037,689.60
  5. Step 5: Solve for x
    x = 885,037,689.60/39,549.76
  6. Step 6: Final answer
    x = 22,377.83

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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.