Home / 45,417.20-68,137.32-29,865.20

Finding the Fourth Proportional to 45,417.20, 68,137.32 and 29,865.20

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Solution

The fourth proportional to 45,417.20, 68,137.32 and 29,865.20 is: 44,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.20 : 68,137.32 = 29,865.20 : x
  2. Step 2: Convert to fraction form
    45,417.20/68,137.32 = 29,865.20/x
  3. Step 3: Cross multiply
    45,417.20x = 68,137.32 × 29,865.20
  4. Step 4: Simplify right side
    45,417.20x = 2,034,934,689.26
  5. Step 5: Solve for x
    x = 2,034,934,689.26/45,417.20
  6. Step 6: Final answer
    x = 44,805.38

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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.