Home / 53,741.40-80,612.10-34,042.20

Finding the Fourth Proportional to 53,741.40, 80,612.10 and 34,042.20

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Solution

The fourth proportional to 53,741.40, 80,612.10 and 34,042.20 is: 51,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741.40 : 80,612.10 = 34,042.20 : x
  2. Step 2: Convert to fraction form
    53,741.40/80,612.10 = 34,042.20/x
  3. Step 3: Cross multiply
    53,741.40x = 80,612.10 × 34,042.20
  4. Step 4: Simplify right side
    53,741.40x = 2,744,213,230.62
  5. Step 5: Solve for x
    x = 2,744,213,230.62/53,741.40
  6. Step 6: Final answer
    x = 51,063.30

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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.