Home / 38,127.24-52,614.84-21,131.13

Finding the Fourth Proportional to 38,127.24, 52,614.84 and 21,131.13

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Solution

The fourth proportional to 38,127.24, 52,614.84 and 21,131.13 is: 29,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.24 : 52,614.84 = 21,131.13 : x
  2. Step 2: Convert to fraction form
    38,127.24/52,614.84 = 21,131.13/x
  3. Step 3: Cross multiply
    38,127.24x = 52,614.84 × 21,131.13
  4. Step 4: Simplify right side
    38,127.24x = 1,111,811,023.97
  5. Step 5: Solve for x
    x = 1,111,811,023.97/38,127.24
  6. Step 6: Final answer
    x = 29,160.54

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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.