Home / 31,890.60-44,011.13-17,743.47

Finding the Fourth Proportional to 31,890.60, 44,011.13 and 17,743.47

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Solution

The fourth proportional to 31,890.60, 44,011.13 and 17,743.47 is: 24,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.60 : 44,011.13 = 17,743.47 : x
  2. Step 2: Convert to fraction form
    31,890.60/44,011.13 = 17,743.47/x
  3. Step 3: Cross multiply
    31,890.60x = 44,011.13 × 17,743.47
  4. Step 4: Simplify right side
    31,890.60x = 780,910,076.10
  5. Step 5: Solve for x
    x = 780,910,076.10/31,890.60
  6. Step 6: Final answer
    x = 24,487.16

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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.