Home / 40,387.48-60,583.26-15,429.70

Finding the Fourth Proportional to 40,387.48, 60,583.26 and 15,429.70

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Solution

The fourth proportional to 40,387.48, 60,583.26 and 15,429.70 is: 23,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.48 : 60,583.26 = 15,429.70 : x
  2. Step 2: Convert to fraction form
    40,387.48/60,583.26 = 15,429.70/x
  3. Step 3: Cross multiply
    40,387.48x = 60,583.26 × 15,429.70
  4. Step 4: Simplify right side
    40,387.48x = 934,781,526.82
  5. Step 5: Solve for x
    x = 934,781,526.82/40,387.48
  6. Step 6: Final answer
    x = 23,145.33

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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.