Home / 40,827.47-61,241.20-12,749.92

Finding the Fourth Proportional to 40,827.47, 61,241.20 and 12,749.92

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Solution

The fourth proportional to 40,827.47, 61,241.20 and 12,749.92 is: 19,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.47 : 61,241.20 = 12,749.92 : x
  2. Step 2: Convert to fraction form
    40,827.47/61,241.20 = 12,749.92/x
  3. Step 3: Cross multiply
    40,827.47x = 61,241.20 × 12,749.92
  4. Step 4: Simplify right side
    40,827.47x = 780,820,215.73
  5. Step 5: Solve for x
    x = 780,820,215.73/40,827.47
  6. Step 6: Final answer
    x = 19,124.88

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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.