Home / 40,199.90-60,295.24-10,620.06

Finding the Fourth Proportional to 40,199.90, 60,295.24 and 10,620.06

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Solution

The fourth proportional to 40,199.90, 60,295.24 and 10,620.06 is: 15,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.90 : 60,295.24 = 10,620.06 : x
  2. Step 2: Convert to fraction form
    40,199.90/60,295.24 = 10,620.06/x
  3. Step 3: Cross multiply
    40,199.90x = 60,295.24 × 10,620.06
  4. Step 4: Simplify right side
    40,199.90x = 640,339,133.11
  5. Step 5: Solve for x
    x = 640,339,133.11/40,199.90
  6. Step 6: Final answer
    x = 15,928.88

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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.