Home / 48,011.24-72,006.60-18,418.70

Finding the Fourth Proportional to 48,011.24, 72,006.60 and 18,418.70

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Solution

The fourth proportional to 48,011.24, 72,006.60 and 18,418.70 is: 27,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,011.24 : 72,006.60 = 18,418.70 : x
  2. Step 2: Convert to fraction form
    48,011.24/72,006.60 = 18,418.70/x
  3. Step 3: Cross multiply
    48,011.24x = 72,006.60 × 18,418.70
  4. Step 4: Simplify right side
    48,011.24x = 1,326,267,963.42
  5. Step 5: Solve for x
    x = 1,326,267,963.42/48,011.24
  6. Step 6: Final answer
    x = 27,624.11

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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.