Home / 57,396.95-79,209.12-31,904.38

Finding the Fourth Proportional to 57,396.95, 79,209.12 and 31,904.38

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Solution

The fourth proportional to 57,396.95, 79,209.12 and 31,904.38 is: 44,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396.95 : 79,209.12 = 31,904.38 : x
  2. Step 2: Convert to fraction form
    57,396.95/79,209.12 = 31,904.38/x
  3. Step 3: Cross multiply
    57,396.95x = 79,209.12 × 31,904.38
  4. Step 4: Simplify right side
    57,396.95x = 2,527,117,467.90
  5. Step 5: Solve for x
    x = 2,527,117,467.90/57,396.95
  6. Step 6: Final answer
    x = 44,028.78

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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.