Home / 48,108.85-72,163.27-21,447.95

Finding the Fourth Proportional to 48,108.85, 72,163.27 and 21,447.95

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Solution

The fourth proportional to 48,108.85, 72,163.27 and 21,447.95 is: 32,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.85 : 72,163.27 = 21,447.95 : x
  2. Step 2: Convert to fraction form
    48,108.85/72,163.27 = 21,447.95/x
  3. Step 3: Cross multiply
    48,108.85x = 72,163.27 × 21,447.95
  4. Step 4: Simplify right side
    48,108.85x = 1,547,754,206.80
  5. Step 5: Solve for x
    x = 1,547,754,206.80/48,108.85
  6. Step 6: Final answer
    x = 32,171.92

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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.