Home / 45,863.36-68,887.20-40,080.32

Finding the Fourth Proportional to 45,863.36, 68,887.20 and 40,080.32

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Solution

The fourth proportional to 45,863.36, 68,887.20 and 40,080.32 is: 60,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.36 : 68,887.20 = 40,080.32 : x
  2. Step 2: Convert to fraction form
    45,863.36/68,887.20 = 40,080.32/x
  3. Step 3: Cross multiply
    45,863.36x = 68,887.20 × 40,080.32
  4. Step 4: Simplify right side
    45,863.36x = 2,761,021,019.90
  5. Step 5: Solve for x
    x = 2,761,021,019.90/45,863.36
  6. Step 6: Final answer
    x = 60,201.02

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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.