Home / 57,272.43-79,036.88-32,121.39

Finding the Fourth Proportional to 57,272.43, 79,036.88 and 32,121.39

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Solution

The fourth proportional to 57,272.43, 79,036.88 and 32,121.39 is: 44,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.43 : 79,036.88 = 32,121.39 : x
  2. Step 2: Convert to fraction form
    57,272.43/79,036.88 = 32,121.39/x
  3. Step 3: Cross multiply
    57,272.43x = 79,036.88 × 32,121.39
  4. Step 4: Simplify right side
    57,272.43x = 2,538,774,286.26
  5. Step 5: Solve for x
    x = 2,538,774,286.26/57,272.43
  6. Step 6: Final answer
    x = 44,328.04

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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.