Home / 53,403.64-80,042.56-21,793.95

Finding the Fourth Proportional to 53,403.64, 80,042.56 and 21,793.95

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Solution

The fourth proportional to 53,403.64, 80,042.56 and 21,793.95 is: 32,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.64 : 80,042.56 = 21,793.95 : x
  2. Step 2: Convert to fraction form
    53,403.64/80,042.56 = 21,793.95/x
  3. Step 3: Cross multiply
    53,403.64x = 80,042.56 × 21,793.95
  4. Step 4: Simplify right side
    53,403.64x = 1,744,443,496.03
  5. Step 5: Solve for x
    x = 1,744,443,496.03/53,403.64
  6. Step 6: Final answer
    x = 32,665.26

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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.