Home / 40,420.20-60,630.30-34,515.30

Finding the Fourth Proportional to 40,420.20, 60,630.30 and 34,515.30

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Solution

The fourth proportional to 40,420.20, 60,630.30 and 34,515.30 is: 51,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.20 : 60,630.30 = 34,515.30 : x
  2. Step 2: Convert to fraction form
    40,420.20/60,630.30 = 34,515.30/x
  3. Step 3: Cross multiply
    40,420.20x = 60,630.30 × 34,515.30
  4. Step 4: Simplify right side
    40,420.20x = 2,092,672,993.59
  5. Step 5: Solve for x
    x = 2,092,672,993.59/40,420.20
  6. Step 6: Final answer
    x = 51,772.95

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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.