Home / 84,249.56-126,374.28-21,920.06

Finding the Fourth Proportional to 84,249.56, 126,374.28 and 21,920.06

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Solution

The fourth proportional to 84,249.56, 126,374.28 and 21,920.06 is: 32,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.56 : 126,374.28 = 21,920.06 : x
  2. Step 2: Convert to fraction form
    84,249.56/126,374.28 = 21,920.06/x
  3. Step 3: Cross multiply
    84,249.56x = 126,374.28 × 21,920.06
  4. Step 4: Simplify right side
    84,249.56x = 2,770,131,800.06
  5. Step 5: Solve for x
    x = 2,770,131,800.06/84,249.56
  6. Step 6: Final answer
    x = 32,880.07

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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.