Home / 47,931.72-71,908.14-14,654.34

Finding the Fourth Proportional to 47,931.72, 71,908.14 and 14,654.34

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Solution

The fourth proportional to 47,931.72, 71,908.14 and 14,654.34 is: 21,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.72 : 71,908.14 = 14,654.34 : x
  2. Step 2: Convert to fraction form
    47,931.72/71,908.14 = 14,654.34/x
  3. Step 3: Cross multiply
    47,931.72x = 71,908.14 × 14,654.34
  4. Step 4: Simplify right side
    47,931.72x = 1,053,766,332.33
  5. Step 5: Solve for x
    x = 1,053,766,332.33/47,931.72
  6. Step 6: Final answer
    x = 21,984.74

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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.