Home / 57,281.92-79,056.48-32,139.52

Finding the Fourth Proportional to 57,281.92, 79,056.48 and 32,139.52

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Solution

The fourth proportional to 57,281.92, 79,056.48 and 32,139.52 is: 44,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281.92 : 79,056.48 = 32,139.52 : x
  2. Step 2: Convert to fraction form
    57,281.92/79,056.48 = 32,139.52/x
  3. Step 3: Cross multiply
    57,281.92x = 79,056.48 × 32,139.52
  4. Step 4: Simplify right side
    57,281.92x = 2,540,837,320.09
  5. Step 5: Solve for x
    x = 2,540,837,320.09/57,281.92
  6. Step 6: Final answer
    x = 44,356.71

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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.