Home / 41,990.40-57,947.38-22,871.06

Finding the Fourth Proportional to 41,990.40, 57,947.38 and 22,871.06

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Solution

The fourth proportional to 41,990.40, 57,947.38 and 22,871.06 is: 31,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.40 : 57,947.38 = 22,871.06 : x
  2. Step 2: Convert to fraction form
    41,990.40/57,947.38 = 22,871.06/x
  3. Step 3: Cross multiply
    41,990.40x = 57,947.38 × 22,871.06
  4. Step 4: Simplify right side
    41,990.40x = 1,325,317,657.91
  5. Step 5: Solve for x
    x = 1,325,317,657.91/41,990.40
  6. Step 6: Final answer
    x = 31,562.40

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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.