Home / 40,144.86-60,272.46-20,436.66

Finding the Fourth Proportional to 40,144.86, 60,272.46 and 20,436.66

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Solution

The fourth proportional to 40,144.86, 60,272.46 and 20,436.66 is: 30,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.86 : 60,272.46 = 20,436.66 : x
  2. Step 2: Convert to fraction form
    40,144.86/60,272.46 = 20,436.66/x
  3. Step 3: Cross multiply
    40,144.86x = 60,272.46 × 20,436.66
  4. Step 4: Simplify right side
    40,144.86x = 1,231,767,772.38
  5. Step 5: Solve for x
    x = 1,231,767,772.38/40,144.86
  6. Step 6: Final answer
    x = 30,683.08

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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.