Home / 31,049.06-42,850.23-17,436.80

Finding the Fourth Proportional to 31,049.06, 42,850.23 and 17,436.80

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Solution

The fourth proportional to 31,049.06, 42,850.23 and 17,436.80 is: 24,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.06 : 42,850.23 = 17,436.80 : x
  2. Step 2: Convert to fraction form
    31,049.06/42,850.23 = 17,436.80/x
  3. Step 3: Cross multiply
    31,049.06x = 42,850.23 × 17,436.80
  4. Step 4: Simplify right side
    31,049.06x = 747,170,890.46
  5. Step 5: Solve for x
    x = 747,170,890.46/31,049.06
  6. Step 6: Final answer
    x = 24,064.20

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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.