Home / 47,564.91-71,341.20-17,978.90

Finding the Fourth Proportional to 47,564.91, 71,341.20 and 17,978.90

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Solution

The fourth proportional to 47,564.91, 71,341.20 and 17,978.90 is: 26,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.91 : 71,341.20 = 17,978.90 : x
  2. Step 2: Convert to fraction form
    47,564.91/71,341.20 = 17,978.90/x
  3. Step 3: Cross multiply
    47,564.91x = 71,341.20 × 17,978.90
  4. Step 4: Simplify right side
    47,564.91x = 1,282,635,943.97
  5. Step 5: Solve for x
    x = 1,282,635,943.97/47,564.91
  6. Step 6: Final answer
    x = 26,966.01

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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.