Home / 41,828.40-62,445.60-40,078.80

Finding the Fourth Proportional to 41,828.40, 62,445.60 and 40,078.80

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Solution

The fourth proportional to 41,828.40, 62,445.60 and 40,078.80 is: 59,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,828.40 : 62,445.60 = 40,078.80 : x
  2. Step 2: Convert to fraction form
    41,828.40/62,445.60 = 40,078.80/x
  3. Step 3: Cross multiply
    41,828.40x = 62,445.60 × 40,078.80
  4. Step 4: Simplify right side
    41,828.40x = 2,502,744,713.28
  5. Step 5: Solve for x
    x = 2,502,744,713.28/41,828.40
  6. Step 6: Final answer
    x = 59,833.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.