Home / 40,639.50-60,903.90-22,878.63

Finding the Fourth Proportional to 40,639.50, 60,903.90 and 22,878.63

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Solution

The fourth proportional to 40,639.50, 60,903.90 and 22,878.63 is: 34,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.50 : 60,903.90 = 22,878.63 : x
  2. Step 2: Convert to fraction form
    40,639.50/60,903.90 = 22,878.63/x
  3. Step 3: Cross multiply
    40,639.50x = 60,903.90 × 22,878.63
  4. Step 4: Simplify right side
    40,639.50x = 1,393,397,793.66
  5. Step 5: Solve for x
    x = 1,393,397,793.66/40,639.50
  6. Step 6: Final answer
    x = 34,286.78

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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.