Home / 52,224.35-78,337.53-12,781.80

Finding the Fourth Proportional to 52,224.35, 78,337.53 and 12,781.80

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Solution

The fourth proportional to 52,224.35, 78,337.53 and 12,781.80 is: 19,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,224.35 : 78,337.53 = 12,781.80 : x
  2. Step 2: Convert to fraction form
    52,224.35/78,337.53 = 12,781.80/x
  3. Step 3: Cross multiply
    52,224.35x = 78,337.53 × 12,781.80
  4. Step 4: Simplify right side
    52,224.35x = 1,001,294,640.95
  5. Step 5: Solve for x
    x = 1,001,294,640.95/52,224.35
  6. Step 6: Final answer
    x = 19,172.95

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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.