Home / 40,512.08-60,680.64-39,520.64

Finding the Fourth Proportional to 40,512.08, 60,680.64 and 39,520.64

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Solution

The fourth proportional to 40,512.08, 60,680.64 and 39,520.64 is: 59,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.08 : 60,680.64 = 39,520.64 : x
  2. Step 2: Convert to fraction form
    40,512.08/60,680.64 = 39,520.64/x
  3. Step 3: Cross multiply
    40,512.08x = 60,680.64 × 39,520.64
  4. Step 4: Simplify right side
    40,512.08x = 2,398,137,728.41
  5. Step 5: Solve for x
    x = 2,398,137,728.41/40,512.08
  6. Step 6: Final answer
    x = 59,195.62

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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.