Home / 39,960.64-59,932.68-18,891.73

Finding the Fourth Proportional to 39,960.64, 59,932.68 and 18,891.73

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Solution

The fourth proportional to 39,960.64, 59,932.68 and 18,891.73 is: 28,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.64 : 59,932.68 = 18,891.73 : x
  2. Step 2: Convert to fraction form
    39,960.64/59,932.68 = 18,891.73/x
  3. Step 3: Cross multiply
    39,960.64x = 59,932.68 × 18,891.73
  4. Step 4: Simplify right side
    39,960.64x = 1,132,232,008.74
  5. Step 5: Solve for x
    x = 1,132,232,008.74/39,960.64
  6. Step 6: Final answer
    x = 28,333.68

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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.