Home / 32,711.62-45,143.42-18,565.78

Finding the Fourth Proportional to 32,711.62, 45,143.42 and 18,565.78

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Solution

The fourth proportional to 32,711.62, 45,143.42 and 18,565.78 is: 25,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.62 : 45,143.42 = 18,565.78 : x
  2. Step 2: Convert to fraction form
    32,711.62/45,143.42 = 18,565.78/x
  3. Step 3: Cross multiply
    32,711.62x = 45,143.42 × 18,565.78
  4. Step 4: Simplify right side
    32,711.62x = 838,122,804.17
  5. Step 5: Solve for x
    x = 838,122,804.17/32,711.62
  6. Step 6: Final answer
    x = 25,621.56

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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.