Home / 48,344.85-72,491.15-18,754.74

Finding the Fourth Proportional to 48,344.85, 72,491.15 and 18,754.74

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Solution

The fourth proportional to 48,344.85, 72,491.15 and 18,754.74 is: 28,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,344.85 : 72,491.15 = 18,754.74 : x
  2. Step 2: Convert to fraction form
    48,344.85/72,491.15 = 18,754.74/x
  3. Step 3: Cross multiply
    48,344.85x = 72,491.15 × 18,754.74
  4. Step 4: Simplify right side
    48,344.85x = 1,359,552,717.44
  5. Step 5: Solve for x
    x = 1,359,552,717.44/48,344.85
  6. Step 6: Final answer
    x = 28,121.98

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1.5x scale

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.