Home / 38,452.89-53,064.92-21,456.11

Finding the Fourth Proportional to 38,452.89, 53,064.92 and 21,456.11

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Solution

The fourth proportional to 38,452.89, 53,064.92 and 21,456.11 is: 29,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.89 : 53,064.92 = 21,456.11 : x
  2. Step 2: Convert to fraction form
    38,452.89/53,064.92 = 21,456.11/x
  3. Step 3: Cross multiply
    38,452.89x = 53,064.92 × 21,456.11
  4. Step 4: Simplify right side
    38,452.89x = 1,138,566,388.06
  5. Step 5: Solve for x
    x = 1,138,566,388.06/38,452.89
  6. Step 6: Final answer
    x = 29,609.38

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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.