Home / 45,103.20-67,525.20-40,437.60

Finding the Fourth Proportional to 45,103.20, 67,525.20 and 40,437.60

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Solution

The fourth proportional to 45,103.20, 67,525.20 and 40,437.60 is: 60,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.20 : 67,525.20 = 40,437.60 : x
  2. Step 2: Convert to fraction form
    45,103.20/67,525.20 = 40,437.60/x
  3. Step 3: Cross multiply
    45,103.20x = 67,525.20 × 40,437.60
  4. Step 4: Simplify right side
    45,103.20x = 2,730,557,027.52
  5. Step 5: Solve for x
    x = 2,730,557,027.52/45,103.20
  6. Step 6: Final answer
    x = 60,540.21

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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.