Home / 48,318.53-72,469.22-12,780.18

Finding the Fourth Proportional to 48,318.53, 72,469.22 and 12,780.18

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Solution

The fourth proportional to 48,318.53, 72,469.22 and 12,780.18 is: 19,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.53 : 72,469.22 = 12,780.18 : x
  2. Step 2: Convert to fraction form
    48,318.53/72,469.22 = 12,780.18/x
  3. Step 3: Cross multiply
    48,318.53x = 72,469.22 × 12,780.18
  4. Step 4: Simplify right side
    48,318.53x = 926,169,612.16
  5. Step 5: Solve for x
    x = 926,169,612.16/48,318.53
  6. Step 6: Final answer
    x = 19,168.00

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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.