Home / 40,871.52-61,311.24-15,913.62

Finding the Fourth Proportional to 40,871.52, 61,311.24 and 15,913.62

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Solution

The fourth proportional to 40,871.52, 61,311.24 and 15,913.62 is: 23,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.52 : 61,311.24 = 15,913.62 : x
  2. Step 2: Convert to fraction form
    40,871.52/61,311.24 = 15,913.62/x
  3. Step 3: Cross multiply
    40,871.52x = 61,311.24 × 15,913.62
  4. Step 4: Simplify right side
    40,871.52x = 975,683,775.09
  5. Step 5: Solve for x
    x = 975,683,775.09/40,871.52
  6. Step 6: Final answer
    x = 23,871.97

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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.