Home / 40,949.57-61,411.30-15,983.55

Finding the Fourth Proportional to 40,949.57, 61,411.30 and 15,983.55

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Solution

The fourth proportional to 40,949.57, 61,411.30 and 15,983.55 is: 23,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,949.57 : 61,411.30 = 15,983.55 : x
  2. Step 2: Convert to fraction form
    40,949.57/61,411.30 = 15,983.55/x
  3. Step 3: Cross multiply
    40,949.57x = 61,411.30 × 15,983.55
  4. Step 4: Simplify right side
    40,949.57x = 981,570,544.16
  5. Step 5: Solve for x
    x = 981,570,544.16/40,949.57
  6. Step 6: Final answer
    x = 23,970.23

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1.5x scale

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.