Home / 84,232.49-126,348.23-21,052.30

Finding the Fourth Proportional to 84,232.49, 126,348.23 and 21,052.30

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Solution

The fourth proportional to 84,232.49, 126,348.23 and 21,052.30 is: 31,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,232.49 : 126,348.23 = 21,052.30 : x
  2. Step 2: Convert to fraction form
    84,232.49/126,348.23 = 21,052.30/x
  3. Step 3: Cross multiply
    84,232.49x = 126,348.23 × 21,052.30
  4. Step 4: Simplify right side
    84,232.49x = 2,659,920,105.43
  5. Step 5: Solve for x
    x = 2,659,920,105.43/84,232.49
  6. Step 6: Final answer
    x = 31,578.32

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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.