Home / 31,475.68-43,436.46-17,328.22

Finding the Fourth Proportional to 31,475.68, 43,436.46 and 17,328.22

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Solution

The fourth proportional to 31,475.68, 43,436.46 and 17,328.22 is: 23,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.68 : 43,436.46 = 17,328.22 : x
  2. Step 2: Convert to fraction form
    31,475.68/43,436.46 = 17,328.22/x
  3. Step 3: Cross multiply
    31,475.68x = 43,436.46 × 17,328.22
  4. Step 4: Simplify right side
    31,475.68x = 752,676,534.90
  5. Step 5: Solve for x
    x = 752,676,534.90/31,475.68
  6. Step 6: Final answer
    x = 23,912.96

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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.