Home / 84,293.38-126,440.07-21,963.88

Finding the Fourth Proportional to 84,293.38, 126,440.07 and 21,963.88

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Solution

The fourth proportional to 84,293.38, 126,440.07 and 21,963.88 is: 32,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,293.38 : 126,440.07 = 21,963.88 : x
  2. Step 2: Convert to fraction form
    84,293.38/126,440.07 = 21,963.88/x
  3. Step 3: Cross multiply
    84,293.38x = 126,440.07 × 21,963.88
  4. Step 4: Simplify right side
    84,293.38x = 2,777,113,782.65
  5. Step 5: Solve for x
    x = 2,777,113,782.65/84,293.38
  6. Step 6: Final answer
    x = 32,945.81

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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.