Home / 48,031.52-72,046.36-21,717.88

Finding the Fourth Proportional to 48,031.52, 72,046.36 and 21,717.88

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Solution

The fourth proportional to 48,031.52, 72,046.36 and 21,717.88 is: 32,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.52 : 72,046.36 = 21,717.88 : x
  2. Step 2: Convert to fraction form
    48,031.52/72,046.36 = 21,717.88/x
  3. Step 3: Cross multiply
    48,031.52x = 72,046.36 × 21,717.88
  4. Step 4: Simplify right side
    48,031.52x = 1,564,694,200.92
  5. Step 5: Solve for x
    x = 1,564,694,200.92/48,031.52
  6. Step 6: Final answer
    x = 32,576.40

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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.