Home / 40,116.90-55,363.05-22,211.90

Finding the Fourth Proportional to 40,116.90, 55,363.05 and 22,211.90

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Solution

The fourth proportional to 40,116.90, 55,363.05 and 22,211.90 is: 30,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.90 : 55,363.05 = 22,211.90 : x
  2. Step 2: Convert to fraction form
    40,116.90/55,363.05 = 22,211.90/x
  3. Step 3: Cross multiply
    40,116.90x = 55,363.05 × 22,211.90
  4. Step 4: Simplify right side
    40,116.90x = 1,229,718,613.17
  5. Step 5: Solve for x
    x = 1,229,718,613.17/40,116.90
  6. Step 6: Final answer
    x = 30,653.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.