Home / 48,387.49-72,552.98-18,770.72

Finding the Fourth Proportional to 48,387.49, 72,552.98 and 18,770.72

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Solution

The fourth proportional to 48,387.49, 72,552.98 and 18,770.72 is: 28,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.49 : 72,552.98 = 18,770.72 : x
  2. Step 2: Convert to fraction form
    48,387.49/72,552.98 = 18,770.72/x
  3. Step 3: Cross multiply
    48,387.49x = 72,552.98 × 18,770.72
  4. Step 4: Simplify right side
    48,387.49x = 1,361,871,356.91
  5. Step 5: Solve for x
    x = 1,361,871,356.91/48,387.49
  6. Step 6: Final answer
    x = 28,145.11

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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.