Home / 38,245.80-52,778.86-21,250.08

Finding the Fourth Proportional to 38,245.80, 52,778.86 and 21,250.08

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Solution

The fourth proportional to 38,245.80, 52,778.86 and 21,250.08 is: 29,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.80 : 52,778.86 = 21,250.08 : x
  2. Step 2: Convert to fraction form
    38,245.80/52,778.86 = 21,250.08/x
  3. Step 3: Cross multiply
    38,245.80x = 52,778.86 × 21,250.08
  4. Step 4: Simplify right side
    38,245.80x = 1,121,554,997.31
  5. Step 5: Solve for x
    x = 1,121,554,997.31/38,245.80
  6. Step 6: Final answer
    x = 29,324.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.