Home / 40,022.10-60,033.18-10,439.90

Finding the Fourth Proportional to 40,022.10, 60,033.18 and 10,439.90

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Solution

The fourth proportional to 40,022.10, 60,033.18 and 10,439.90 is: 15,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.10 : 60,033.18 = 10,439.90 : x
  2. Step 2: Convert to fraction form
    40,022.10/60,033.18 = 10,439.90/x
  3. Step 3: Cross multiply
    40,022.10x = 60,033.18 × 10,439.90
  4. Step 4: Simplify right side
    40,022.10x = 626,740,395.88
  5. Step 5: Solve for x
    x = 626,740,395.88/40,022.10
  6. Step 6: Final answer
    x = 15,659.86

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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.