Home / 40,238.75-60,358.69-12,159.04

Finding the Fourth Proportional to 40,238.75, 60,358.69 and 12,159.04

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Solution

The fourth proportional to 40,238.75, 60,358.69 and 12,159.04 is: 18,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.75 : 60,358.69 = 12,159.04 : x
  2. Step 2: Convert to fraction form
    40,238.75/60,358.69 = 12,159.04/x
  3. Step 3: Cross multiply
    40,238.75x = 60,358.69 × 12,159.04
  4. Step 4: Simplify right side
    40,238.75x = 733,903,567.97
  5. Step 5: Solve for x
    x = 733,903,567.97/40,238.75
  6. Step 6: Final answer
    x = 18,238.73

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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.