Home / 57,382.06-79,182.20-31,886.80

Finding the Fourth Proportional to 57,382.06, 79,182.20 and 31,886.80

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Solution

The fourth proportional to 57,382.06, 79,182.20 and 31,886.80 is: 44,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.06 : 79,182.20 = 31,886.80 : x
  2. Step 2: Convert to fraction form
    57,382.06/79,182.20 = 31,886.80/x
  3. Step 3: Cross multiply
    57,382.06x = 79,182.20 × 31,886.80
  4. Step 4: Simplify right side
    57,382.06x = 2,524,866,974.96
  5. Step 5: Solve for x
    x = 2,524,866,974.96/57,382.06
  6. Step 6: Final answer
    x = 44,000.98

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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.