Home / 36,702.57-54,965.51-20,868.87

Finding the Fourth Proportional to 36,702.57, 54,965.51 and 20,868.87

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Solution

The fourth proportional to 36,702.57, 54,965.51 and 20,868.87 is: 31,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.57 : 54,965.51 = 20,868.87 : x
  2. Step 2: Convert to fraction form
    36,702.57/54,965.51 = 20,868.87/x
  3. Step 3: Cross multiply
    36,702.57x = 54,965.51 × 20,868.87
  4. Step 4: Simplify right side
    36,702.57x = 1,147,068,082.67
  5. Step 5: Solve for x
    x = 1,147,068,082.67/36,702.57
  6. Step 6: Final answer
    x = 31,253.07

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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.