Home / 36,143.88-54,232.20-21,381.63

Finding the Fourth Proportional to 36,143.88, 54,232.20 and 21,381.63

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Solution

The fourth proportional to 36,143.88, 54,232.20 and 21,381.63 is: 32,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.88 : 54,232.20 = 21,381.63 : x
  2. Step 2: Convert to fraction form
    36,143.88/54,232.20 = 21,381.63/x
  3. Step 3: Cross multiply
    36,143.88x = 54,232.20 × 21,381.63
  4. Step 4: Simplify right side
    36,143.88x = 1,159,572,834.49
  5. Step 5: Solve for x
    x = 1,159,572,834.49/36,143.88
  6. Step 6: Final answer
    x = 32,082.13

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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.