Home / 38,247.12-52,780.01-21,251.36

Finding the Fourth Proportional to 38,247.12, 52,780.01 and 21,251.36

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Solution

The fourth proportional to 38,247.12, 52,780.01 and 21,251.36 is: 29,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.12 : 52,780.01 = 21,251.36 : x
  2. Step 2: Convert to fraction form
    38,247.12/52,780.01 = 21,251.36/x
  3. Step 3: Cross multiply
    38,247.12x = 52,780.01 × 21,251.36
  4. Step 4: Simplify right side
    38,247.12x = 1,121,647,019.01
  5. Step 5: Solve for x
    x = 1,121,647,019.01/38,247.12
  6. Step 6: Final answer
    x = 29,326.31

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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.