Home / 48,498-72,747.08-13,437.74

Finding the Fourth Proportional to 48,498, 72,747.08 and 13,437.74

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Solution

The fourth proportional to 48,498, 72,747.08 and 13,437.74 is: 20,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498 : 72,747.08 = 13,437.74 : x
  2. Step 2: Convert to fraction form
    48,498/72,747.08 = 13,437.74/x
  3. Step 3: Cross multiply
    48,498x = 72,747.08 × 13,437.74
  4. Step 4: Simplify right side
    48,498x = 977,556,346.80
  5. Step 5: Solve for x
    x = 977,556,346.80/48,498
  6. Step 6: Final answer
    x = 20,156.63

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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.