Home / 31,645.08-47,451.69-10,577.79

Finding the Fourth Proportional to 31,645.08, 47,451.69 and 10,577.79

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Solution

The fourth proportional to 31,645.08, 47,451.69 and 10,577.79 is: 15,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.08 : 47,451.69 = 10,577.79 : x
  2. Step 2: Convert to fraction form
    31,645.08/47,451.69 = 10,577.79/x
  3. Step 3: Cross multiply
    31,645.08x = 47,451.69 × 10,577.79
  4. Step 4: Simplify right side
    31,645.08x = 501,934,011.97
  5. Step 5: Solve for x
    x = 501,934,011.97/31,645.08
  6. Step 6: Final answer
    x = 15,861.36

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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.