Home / 38,375.13-52,959.51-21,380.52

Finding the Fourth Proportional to 38,375.13, 52,959.51 and 21,380.52

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Solution

The fourth proportional to 38,375.13, 52,959.51 and 21,380.52 is: 29,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.13 : 52,959.51 = 21,380.52 : x
  2. Step 2: Convert to fraction form
    38,375.13/52,959.51 = 21,380.52/x
  3. Step 3: Cross multiply
    38,375.13x = 52,959.51 × 21,380.52
  4. Step 4: Simplify right side
    38,375.13x = 1,132,301,862.75
  5. Step 5: Solve for x
    x = 1,132,301,862.75/38,375.13
  6. Step 6: Final answer
    x = 29,506.14

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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.