Home / 43,780.76-65,565.86-25,003.90

Finding the Fourth Proportional to 43,780.76, 65,565.86 and 25,003.90

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Solution

The fourth proportional to 43,780.76, 65,565.86 and 25,003.90 is: 37,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,780.76 : 65,565.86 = 25,003.90 : x
  2. Step 2: Convert to fraction form
    43,780.76/65,565.86 = 25,003.90/x
  3. Step 3: Cross multiply
    43,780.76x = 65,565.86 × 25,003.90
  4. Step 4: Simplify right side
    43,780.76x = 1,639,402,206.85
  5. Step 5: Solve for x
    x = 1,639,402,206.85/43,780.76
  6. Step 6: Final answer
    x = 37,445.72

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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.