Home / 38,445.13-53,053.08-22,540.18

Finding the Fourth Proportional to 38,445.13, 53,053.08 and 22,540.18

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Solution

The fourth proportional to 38,445.13, 53,053.08 and 22,540.18 is: 31,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.13 : 53,053.08 = 22,540.18 : x
  2. Step 2: Convert to fraction form
    38,445.13/53,053.08 = 22,540.18/x
  3. Step 3: Cross multiply
    38,445.13x = 53,053.08 × 22,540.18
  4. Step 4: Simplify right side
    38,445.13x = 1,195,825,972.75
  5. Step 5: Solve for x
    x = 1,195,825,972.75/38,445.13
  6. Step 6: Final answer
    x = 31,104.75

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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.