Home / 45,415.20-68,134.32-29,863.20

Finding the Fourth Proportional to 45,415.20, 68,134.32 and 29,863.20

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Solution

The fourth proportional to 45,415.20, 68,134.32 and 29,863.20 is: 44,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.20 : 68,134.32 = 29,863.20 : x
  2. Step 2: Convert to fraction form
    45,415.20/68,134.32 = 29,863.20/x
  3. Step 3: Cross multiply
    45,415.20x = 68,134.32 × 29,863.20
  4. Step 4: Simplify right side
    45,415.20x = 2,034,708,825.02
  5. Step 5: Solve for x
    x = 2,034,708,825.02/45,415.20
  6. Step 6: Final answer
    x = 44,802.38

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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.