Home / 45,861.87-63,262.53-28,839.15

Finding the Fourth Proportional to 45,861.87, 63,262.53 and 28,839.15

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Solution

The fourth proportional to 45,861.87, 63,262.53 and 28,839.15 is: 39,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,861.87 : 63,262.53 = 28,839.15 : x
  2. Step 2: Convert to fraction form
    45,861.87/63,262.53 = 28,839.15/x
  3. Step 3: Cross multiply
    45,861.87x = 63,262.53 × 28,839.15
  4. Step 4: Simplify right side
    45,861.87x = 1,824,437,592.05
  5. Step 5: Solve for x
    x = 1,824,437,592.05/45,861.87
  6. Step 6: Final answer
    x = 39,781.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.