Home / 31,987.79-44,160.99-22,456.92

Finding the Fourth Proportional to 31,987.79, 44,160.99 and 22,456.92

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Solution

The fourth proportional to 31,987.79, 44,160.99 and 22,456.92 is: 31,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.79 : 44,160.99 = 22,456.92 : x
  2. Step 2: Convert to fraction form
    31,987.79/44,160.99 = 22,456.92/x
  3. Step 3: Cross multiply
    31,987.79x = 44,160.99 × 22,456.92
  4. Step 4: Simplify right side
    31,987.79x = 991,719,819.55
  5. Step 5: Solve for x
    x = 991,719,819.55/31,987.79
  6. Step 6: Final answer
    x = 31,003.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.