Home / 43,781.68-65,687.10-14,200.48

Finding the Fourth Proportional to 43,781.68, 65,687.10 and 14,200.48

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Solution

The fourth proportional to 43,781.68, 65,687.10 and 14,200.48 is: 21,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.68 : 65,687.10 = 14,200.48 : x
  2. Step 2: Convert to fraction form
    43,781.68/65,687.10 = 14,200.48/x
  3. Step 3: Cross multiply
    43,781.68x = 65,687.10 × 14,200.48
  4. Step 4: Simplify right side
    43,781.68x = 932,788,349.81
  5. Step 5: Solve for x
    x = 932,788,349.81/43,781.68
  6. Step 6: Final answer
    x = 21,305.45

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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.