Home / 57,398.15-79,205.60-31,902.86

Finding the Fourth Proportional to 57,398.15, 79,205.60 and 31,902.86

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Solution

The fourth proportional to 57,398.15, 79,205.60 and 31,902.86 is: 44,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.15 : 79,205.60 = 31,902.86 : x
  2. Step 2: Convert to fraction form
    57,398.15/79,205.60 = 31,902.86/x
  3. Step 3: Cross multiply
    57,398.15x = 79,205.60 × 31,902.86
  4. Step 4: Simplify right side
    57,398.15x = 2,526,885,168.02
  5. Step 5: Solve for x
    x = 2,526,885,168.02/57,398.15
  6. Step 6: Final answer
    x = 44,023.81

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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.