Home / 36,645.12-54,959.04-13,276.80

Finding the Fourth Proportional to 36,645.12, 54,959.04 and 13,276.80

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Solution

The fourth proportional to 36,645.12, 54,959.04 and 13,276.80 is: 19,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.12 : 54,959.04 = 13,276.80 : x
  2. Step 2: Convert to fraction form
    36,645.12/54,959.04 = 13,276.80/x
  3. Step 3: Cross multiply
    36,645.12x = 54,959.04 × 13,276.80
  4. Step 4: Simplify right side
    36,645.12x = 729,680,182.27
  5. Step 5: Solve for x
    x = 729,680,182.27/36,645.12
  6. Step 6: Final answer
    x = 19,912.07

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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.