Home / 57,439.74-79,270.47-32,290.86

Finding the Fourth Proportional to 57,439.74, 79,270.47 and 32,290.86

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Solution

The fourth proportional to 57,439.74, 79,270.47 and 32,290.86 is: 44,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.74 : 79,270.47 = 32,290.86 : x
  2. Step 2: Convert to fraction form
    57,439.74/79,270.47 = 32,290.86/x
  3. Step 3: Cross multiply
    57,439.74x = 79,270.47 × 32,290.86
  4. Step 4: Simplify right side
    57,439.74x = 2,559,711,648.90
  5. Step 5: Solve for x
    x = 2,559,711,648.90/57,439.74
  6. Step 6: Final answer
    x = 44,563.43

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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.