Home / 41,990.87-57,947.40-23,128.00

Finding the Fourth Proportional to 41,990.87, 57,947.40 and 23,128.00

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Solution

The fourth proportional to 41,990.87, 57,947.40 and 23,128.00 is: 31,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.87 : 57,947.40 = 23,128.00 : x
  2. Step 2: Convert to fraction form
    41,990.87/57,947.40 = 23,128.00/x
  3. Step 3: Cross multiply
    41,990.87x = 57,947.40 × 23,128.00
  4. Step 4: Simplify right side
    41,990.87x = 1,340,207,387.38
  5. Step 5: Solve for x
    x = 1,340,207,387.38/41,990.87
  6. Step 6: Final answer
    x = 31,916.64

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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.