Home / 31,991.52-44,148.33-18,565.50

Finding the Fourth Proportional to 31,991.52, 44,148.33 and 18,565.50

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Solution

The fourth proportional to 31,991.52, 44,148.33 and 18,565.50 is: 25,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.52 : 44,148.33 = 18,565.50 : x
  2. Step 2: Convert to fraction form
    31,991.52/44,148.33 = 18,565.50/x
  3. Step 3: Cross multiply
    31,991.52x = 44,148.33 × 18,565.50
  4. Step 4: Simplify right side
    31,991.52x = 819,635,820.62
  5. Step 5: Solve for x
    x = 819,635,820.62/31,991.52
  6. Step 6: Final answer
    x = 25,620.41

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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.