Home / 41,991.12-57,947.68-23,128

Finding the Fourth Proportional to 41,991.12, 57,947.68 and 23,128

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Solution

The fourth proportional to 41,991.12, 57,947.68 and 23,128 is: 31,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991.12 : 57,947.68 = 23,128 : x
  2. Step 2: Convert to fraction form
    41,991.12/57,947.68 = 23,128/x
  3. Step 3: Cross multiply
    41,991.12x = 57,947.68 × 23,128
  4. Step 4: Simplify right side
    41,991.12x = 1,340,213,943.04
  5. Step 5: Solve for x
    x = 1,340,213,943.04/41,991.12
  6. Step 6: Final answer
    x = 31,916.60

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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.