Home / 40,512.20-60,768.30-40,123.40

Finding the Fourth Proportional to 40,512.20, 60,768.30 and 40,123.40

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Solution

The fourth proportional to 40,512.20, 60,768.30 and 40,123.40 is: 60,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.20 : 60,768.30 = 40,123.40 : x
  2. Step 2: Convert to fraction form
    40,512.20/60,768.30 = 40,123.40/x
  3. Step 3: Cross multiply
    40,512.20x = 60,768.30 × 40,123.40
  4. Step 4: Simplify right side
    40,512.20x = 2,438,230,808.22
  5. Step 5: Solve for x
    x = 2,438,230,808.22/40,512.20
  6. Step 6: Final answer
    x = 60,185.10

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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.