Home / 31,899.18-44,020.88-18,471.14

Finding the Fourth Proportional to 31,899.18, 44,020.88 and 18,471.14

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Solution

The fourth proportional to 31,899.18, 44,020.88 and 18,471.14 is: 25,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.18 : 44,020.88 = 18,471.14 : x
  2. Step 2: Convert to fraction form
    31,899.18/44,020.88 = 18,471.14/x
  3. Step 3: Cross multiply
    31,899.18x = 44,020.88 × 18,471.14
  4. Step 4: Simplify right side
    31,899.18x = 813,115,837.40
  5. Step 5: Solve for x
    x = 813,115,837.40/31,899.18
  6. Step 6: Final answer
    x = 25,490.18

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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.