Home / 40,202.16-60,311.76-12,124.32

Finding the Fourth Proportional to 40,202.16, 60,311.76 and 12,124.32

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Solution

The fourth proportional to 40,202.16, 60,311.76 and 12,124.32 is: 18,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,202.16 : 60,311.76 = 12,124.32 : x
  2. Step 2: Convert to fraction form
    40,202.16/60,311.76 = 12,124.32/x
  3. Step 3: Cross multiply
    40,202.16x = 60,311.76 × 12,124.32
  4. Step 4: Simplify right side
    40,202.16x = 731,239,078.00
  5. Step 5: Solve for x
    x = 731,239,078.00/40,202.16
  6. Step 6: Final answer
    x = 18,189.05

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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.