Home / 40,480.17-60,718.06-12,400.26

Finding the Fourth Proportional to 40,480.17, 60,718.06 and 12,400.26

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Solution

The fourth proportional to 40,480.17, 60,718.06 and 12,400.26 is: 18,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480.17 : 60,718.06 = 12,400.26 : x
  2. Step 2: Convert to fraction form
    40,480.17/60,718.06 = 12,400.26/x
  3. Step 3: Cross multiply
    40,480.17x = 60,718.06 × 12,400.26
  4. Step 4: Simplify right side
    40,480.17x = 752,919,730.70
  5. Step 5: Solve for x
    x = 752,919,730.70/40,480.17
  6. Step 6: Final answer
    x = 18,599.72

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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.