Home / 45,405.72-62,624.38-29,495.28

Finding the Fourth Proportional to 45,405.72, 62,624.38 and 29,495.28

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Solution

The fourth proportional to 45,405.72, 62,624.38 and 29,495.28 is: 40,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,405.72 : 62,624.38 = 29,495.28 : x
  2. Step 2: Convert to fraction form
    45,405.72/62,624.38 = 29,495.28/x
  3. Step 3: Cross multiply
    45,405.72x = 62,624.38 × 29,495.28
  4. Step 4: Simplify right side
    45,405.72x = 1,847,123,622.93
  5. Step 5: Solve for x
    x = 1,847,123,622.93/45,405.72
  6. Step 6: Final answer
    x = 40,680.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.