Home / 31,777.32-43,851.24-17,436.80

Finding the Fourth Proportional to 31,777.32, 43,851.24 and 17,436.80

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Solution

The fourth proportional to 31,777.32, 43,851.24 and 17,436.80 is: 24,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.32 : 43,851.24 = 17,436.80 : x
  2. Step 2: Convert to fraction form
    31,777.32/43,851.24 = 17,436.80/x
  3. Step 3: Cross multiply
    31,777.32x = 43,851.24 × 17,436.80
  4. Step 4: Simplify right side
    31,777.32x = 764,625,082.38
  5. Step 5: Solve for x
    x = 764,625,082.38/31,777.32
  6. Step 6: Final answer
    x = 24,061.98

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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.