Home / 45,592.20-68,330.70-40,638.60

Finding the Fourth Proportional to 45,592.20, 68,330.70 and 40,638.60

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Solution

The fourth proportional to 45,592.20, 68,330.70 and 40,638.60 is: 60,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,592.20 : 68,330.70 = 40,638.60 : x
  2. Step 2: Convert to fraction form
    45,592.20/68,330.70 = 40,638.60/x
  3. Step 3: Cross multiply
    45,592.20x = 68,330.70 × 40,638.60
  4. Step 4: Simplify right side
    45,592.20x = 2,776,863,985.02
  5. Step 5: Solve for x
    x = 2,776,863,985.02/45,592.20
  6. Step 6: Final answer
    x = 60,906.56

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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.