Home / 84,294.35-126,441.53-21,964.85

Finding the Fourth Proportional to 84,294.35, 126,441.53 and 21,964.85

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Solution

The fourth proportional to 84,294.35, 126,441.53 and 21,964.85 is: 32,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294.35 : 126,441.53 = 21,964.85 : x
  2. Step 2: Convert to fraction form
    84,294.35/126,441.53 = 21,964.85/x
  3. Step 3: Cross multiply
    84,294.35x = 126,441.53 × 21,964.85
  4. Step 4: Simplify right side
    84,294.35x = 2,777,269,130.40
  5. Step 5: Solve for x
    x = 2,777,269,130.40/84,294.35
  6. Step 6: Final answer
    x = 32,947.28

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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.