Home / 84,326.48-126,490.68-21,997.52

Finding the Fourth Proportional to 84,326.48, 126,490.68 and 21,997.52

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Solution

The fourth proportional to 84,326.48, 126,490.68 and 21,997.52 is: 32,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,326.48 : 126,490.68 = 21,997.52 : x
  2. Step 2: Convert to fraction form
    84,326.48/126,490.68 = 21,997.52/x
  3. Step 3: Cross multiply
    84,326.48x = 126,490.68 × 21,997.52
  4. Step 4: Simplify right side
    84,326.48x = 2,782,481,263.11
  5. Step 5: Solve for x
    x = 2,782,481,263.11/84,326.48
  6. Step 6: Final answer
    x = 32,996.53

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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.