Home / 40,077.17-55,306.89-21,927.54

Finding the Fourth Proportional to 40,077.17, 55,306.89 and 21,927.54

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Solution

The fourth proportional to 40,077.17, 55,306.89 and 21,927.54 is: 30,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.17 : 55,306.89 = 21,927.54 : x
  2. Step 2: Convert to fraction form
    40,077.17/55,306.89 = 21,927.54/x
  3. Step 3: Cross multiply
    40,077.17x = 55,306.89 × 21,927.54
  4. Step 4: Simplify right side
    40,077.17x = 1,212,744,042.75
  5. Step 5: Solve for x
    x = 1,212,744,042.75/40,077.17
  6. Step 6: Final answer
    x = 30,260.23

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1.5x scale

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.