Home / 40,243.80-60,366.11-12,164.08

Finding the Fourth Proportional to 40,243.80, 60,366.11 and 12,164.08

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Solution

The fourth proportional to 40,243.80, 60,366.11 and 12,164.08 is: 18,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.80 : 60,366.11 = 12,164.08 : x
  2. Step 2: Convert to fraction form
    40,243.80/60,366.11 = 12,164.08/x
  3. Step 3: Cross multiply
    40,243.80x = 60,366.11 × 12,164.08
  4. Step 4: Simplify right side
    40,243.80x = 734,298,191.33
  5. Step 5: Solve for x
    x = 734,298,191.33/40,243.80
  6. Step 6: Final answer
    x = 18,246.24

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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.