Home / 31,724.22-47,561.68-13,008.97

Finding the Fourth Proportional to 31,724.22, 47,561.68 and 13,008.97

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Solution

The fourth proportional to 31,724.22, 47,561.68 and 13,008.97 is: 19,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.22 : 47,561.68 = 13,008.97 : x
  2. Step 2: Convert to fraction form
    31,724.22/47,561.68 = 13,008.97/x
  3. Step 3: Cross multiply
    31,724.22x = 47,561.68 × 13,008.97
  4. Step 4: Simplify right side
    31,724.22x = 618,728,543.98
  5. Step 5: Solve for x
    x = 618,728,543.98/31,724.22
  6. Step 6: Final answer
    x = 19,503.35

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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.