Home / 29,138.55-40,211.87-16,217.97

Finding the Fourth Proportional to 29,138.55, 40,211.87 and 16,217.97

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Solution

The fourth proportional to 29,138.55, 40,211.87 and 16,217.97 is: 22,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.55 : 40,211.87 = 16,217.97 : x
  2. Step 2: Convert to fraction form
    29,138.55/40,211.87 = 16,217.97/x
  3. Step 3: Cross multiply
    29,138.55x = 40,211.87 × 16,217.97
  4. Step 4: Simplify right side
    29,138.55x = 652,154,901.30
  5. Step 5: Solve for x
    x = 652,154,901.30/29,138.55
  6. Step 6: Final answer
    x = 22,381.17

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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.