Home / 47,767.53-71,651.47-14,487.89

Finding the Fourth Proportional to 47,767.53, 71,651.47 and 14,487.89

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Solution

The fourth proportional to 47,767.53, 71,651.47 and 14,487.89 is: 21,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,767.53 : 71,651.47 = 14,487.89 : x
  2. Step 2: Convert to fraction form
    47,767.53/71,651.47 = 14,487.89/x
  3. Step 3: Cross multiply
    47,767.53x = 71,651.47 × 14,487.89
  4. Step 4: Simplify right side
    47,767.53x = 1,038,078,221.22
  5. Step 5: Solve for x
    x = 1,038,078,221.22/47,767.53
  6. Step 6: Final answer
    x = 21,731.88

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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.