Home / 38,375.88-52,960.55-21,381.27

Finding the Fourth Proportional to 38,375.88, 52,960.55 and 21,381.27

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Solution

The fourth proportional to 38,375.88, 52,960.55 and 21,381.27 is: 29,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.88 : 52,960.55 = 21,381.27 : x
  2. Step 2: Convert to fraction form
    38,375.88/52,960.55 = 21,381.27/x
  3. Step 3: Cross multiply
    38,375.88x = 52,960.55 × 21,381.27
  4. Step 4: Simplify right side
    38,375.88x = 1,132,363,711.99
  5. Step 5: Solve for x
    x = 1,132,363,711.99/38,375.88
  6. Step 6: Final answer
    x = 29,507.17

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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.