Home / 40,829.64-61,248.32-15,871.61

Finding the Fourth Proportional to 40,829.64, 61,248.32 and 15,871.61

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Solution

The fourth proportional to 40,829.64, 61,248.32 and 15,871.61 is: 23,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.64 : 61,248.32 = 15,871.61 : x
  2. Step 2: Convert to fraction form
    40,829.64/61,248.32 = 15,871.61/x
  3. Step 3: Cross multiply
    40,829.64x = 61,248.32 × 15,871.61
  4. Step 4: Simplify right side
    40,829.64x = 972,109,581.48
  5. Step 5: Solve for x
    x = 972,109,581.48/40,829.64
  6. Step 6: Final answer
    x = 23,808.92

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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.