Home / 38,531.36-53,177.11-22,615.47

Finding the Fourth Proportional to 38,531.36, 53,177.11 and 22,615.47

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Solution

The fourth proportional to 38,531.36, 53,177.11 and 22,615.47 is: 31,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.36 : 53,177.11 = 22,615.47 : x
  2. Step 2: Convert to fraction form
    38,531.36/53,177.11 = 22,615.47/x
  3. Step 3: Cross multiply
    38,531.36x = 53,177.11 × 22,615.47
  4. Step 4: Simplify right side
    38,531.36x = 1,202,625,279.35
  5. Step 5: Solve for x
    x = 1,202,625,279.35/38,531.36
  6. Step 6: Final answer
    x = 31,211.59

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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.