Home / 43,781.61-65,681.65-14,197.14

Finding the Fourth Proportional to 43,781.61, 65,681.65 and 14,197.14

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Solution

The fourth proportional to 43,781.61, 65,681.65 and 14,197.14 is: 21,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.61 : 65,681.65 = 14,197.14 : x
  2. Step 2: Convert to fraction form
    43,781.61/65,681.65 = 14,197.14/x
  3. Step 3: Cross multiply
    43,781.61x = 65,681.65 × 14,197.14
  4. Step 4: Simplify right side
    43,781.61x = 932,491,580.48
  5. Step 5: Solve for x
    x = 932,491,580.48/43,781.61
  6. Step 6: Final answer
    x = 21,298.70

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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.