Home / 42,207.26-63,213.94-21,082.46

Finding the Fourth Proportional to 42,207.26, 63,213.94 and 21,082.46

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Solution

The fourth proportional to 42,207.26, 63,213.94 and 21,082.46 is: 31,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.26 : 63,213.94 = 21,082.46 : x
  2. Step 2: Convert to fraction form
    42,207.26/63,213.94 = 21,082.46/x
  3. Step 3: Cross multiply
    42,207.26x = 63,213.94 × 21,082.46
  4. Step 4: Simplify right side
    42,207.26x = 1,332,705,361.49
  5. Step 5: Solve for x
    x = 1,332,705,361.49/42,207.26
  6. Step 6: Final answer
    x = 31,575.26

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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.