Home / 38,180.06-52,691.38-21,187.52

Finding the Fourth Proportional to 38,180.06, 52,691.38 and 21,187.52

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Solution

The fourth proportional to 38,180.06, 52,691.38 and 21,187.52 is: 29,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.06 : 52,691.38 = 21,187.52 : x
  2. Step 2: Convert to fraction form
    38,180.06/52,691.38 = 21,187.52/x
  3. Step 3: Cross multiply
    38,180.06x = 52,691.38 × 21,187.52
  4. Step 4: Simplify right side
    38,180.06x = 1,116,399,845.13
  5. Step 5: Solve for x
    x = 1,116,399,845.13/38,180.06
  6. Step 6: Final answer
    x = 29,240.39

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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.