Home / 43,745.40-65,618.10-40,366.20

Finding the Fourth Proportional to 43,745.40, 65,618.10 and 40,366.20

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Solution

The fourth proportional to 43,745.40, 65,618.10 and 40,366.20 is: 60,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.40 : 65,618.10 = 40,366.20 : x
  2. Step 2: Convert to fraction form
    43,745.40/65,618.10 = 40,366.20/x
  3. Step 3: Cross multiply
    43,745.40x = 65,618.10 × 40,366.20
  4. Step 4: Simplify right side
    43,745.40x = 2,648,753,348.22
  5. Step 5: Solve for x
    x = 2,648,753,348.22/43,745.40
  6. Step 6: Final answer
    x = 60,549.30

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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.