Home / 84,634.88-126,952.78-25,470.15

Finding the Fourth Proportional to 84,634.88, 126,952.78 and 25,470.15

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Solution

The fourth proportional to 84,634.88, 126,952.78 and 25,470.15 is: 38,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.88 : 126,952.78 = 25,470.15 : x
  2. Step 2: Convert to fraction form
    84,634.88/126,952.78 = 25,470.15/x
  3. Step 3: Cross multiply
    84,634.88x = 126,952.78 × 25,470.15
  4. Step 4: Simplify right side
    84,634.88x = 3,233,506,285.84
  5. Step 5: Solve for x
    x = 3,233,506,285.84/84,634.88
  6. Step 6: Final answer
    x = 38,205.36

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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.