Home / 40,947.89-61,409.48-15,981.19

Finding the Fourth Proportional to 40,947.89, 61,409.48 and 15,981.19

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Solution

The fourth proportional to 40,947.89, 61,409.48 and 15,981.19 is: 23,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.89 : 61,409.48 = 15,981.19 : x
  2. Step 2: Convert to fraction form
    40,947.89/61,409.48 = 15,981.19/x
  3. Step 3: Cross multiply
    40,947.89x = 61,409.48 × 15,981.19
  4. Step 4: Simplify right side
    40,947.89x = 981,396,334.25
  5. Step 5: Solve for x
    x = 981,396,334.25/40,947.89
  6. Step 6: Final answer
    x = 23,966.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.