Home / 81,507.20-122,260.68-22,347.48

Finding the Fourth Proportional to 81,507.20, 122,260.68 and 22,347.48

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Solution

The fourth proportional to 81,507.20, 122,260.68 and 22,347.48 is: 33,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,507.20 : 122,260.68 = 22,347.48 : x
  2. Step 2: Convert to fraction form
    81,507.20/122,260.68 = 22,347.48/x
  3. Step 3: Cross multiply
    81,507.20x = 122,260.68 × 22,347.48
  4. Step 4: Simplify right side
    81,507.20x = 2,732,218,559.56
  5. Step 5: Solve for x
    x = 2,732,218,559.56/81,507.20
  6. Step 6: Final answer
    x = 33,521.19

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1.5x scale

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.