Home / 38,127.08-52,614.02-21,132.91

Finding the Fourth Proportional to 38,127.08, 52,614.02 and 21,132.91

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Solution

The fourth proportional to 38,127.08, 52,614.02 and 21,132.91 is: 29,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.08 : 52,614.02 = 21,132.91 : x
  2. Step 2: Convert to fraction form
    38,127.08/52,614.02 = 21,132.91/x
  3. Step 3: Cross multiply
    38,127.08x = 52,614.02 × 21,132.91
  4. Step 4: Simplify right side
    38,127.08x = 1,111,887,132.42
  5. Step 5: Solve for x
    x = 1,111,887,132.42/38,127.08
  6. Step 6: Final answer
    x = 29,162.66

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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.