Home / 43,802.20-65,703.30-38,963.80

Finding the Fourth Proportional to 43,802.20, 65,703.30 and 38,963.80

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Solution

The fourth proportional to 43,802.20, 65,703.30 and 38,963.80 is: 58,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.20 : 65,703.30 = 38,963.80 : x
  2. Step 2: Convert to fraction form
    43,802.20/65,703.30 = 38,963.80/x
  3. Step 3: Cross multiply
    43,802.20x = 65,703.30 × 38,963.80
  4. Step 4: Simplify right side
    43,802.20x = 2,560,050,240.54
  5. Step 5: Solve for x
    x = 2,560,050,240.54/43,802.20
  6. Step 6: Final answer
    x = 58,445.70

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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.