Home / 48,354.68-72,498-18,747.56

Finding the Fourth Proportional to 48,354.68, 72,498 and 18,747.56

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Solution

The fourth proportional to 48,354.68, 72,498 and 18,747.56 is: 28,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.68 : 72,498 = 18,747.56 : x
  2. Step 2: Convert to fraction form
    48,354.68/72,498 = 18,747.56/x
  3. Step 3: Cross multiply
    48,354.68x = 72,498 × 18,747.56
  4. Step 4: Simplify right side
    48,354.68x = 1,359,160,604.88
  5. Step 5: Solve for x
    x = 1,359,160,604.88/48,354.68
  6. Step 6: Final answer
    x = 28,108.15

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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.