Home / 40,188.62-60,292.92-12,108.04

Finding the Fourth Proportional to 40,188.62, 60,292.92 and 12,108.04

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Solution

The fourth proportional to 40,188.62, 60,292.92 and 12,108.04 is: 18,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.62 : 60,292.92 = 12,108.04 : x
  2. Step 2: Convert to fraction form
    40,188.62/60,292.92 = 12,108.04/x
  3. Step 3: Cross multiply
    40,188.62x = 60,292.92 × 12,108.04
  4. Step 4: Simplify right side
    40,188.62x = 730,029,087.08
  5. Step 5: Solve for x
    x = 730,029,087.08/40,188.62
  6. Step 6: Final answer
    x = 18,165.07

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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.