Home / 38,764.77-58,147.38-13,805.79

Finding the Fourth Proportional to 38,764.77, 58,147.38 and 13,805.79

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Solution

The fourth proportional to 38,764.77, 58,147.38 and 13,805.79 is: 20,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.77 : 58,147.38 = 13,805.79 : x
  2. Step 2: Convert to fraction form
    38,764.77/58,147.38 = 13,805.79/x
  3. Step 3: Cross multiply
    38,764.77x = 58,147.38 × 13,805.79
  4. Step 4: Simplify right side
    38,764.77x = 802,770,517.33
  5. Step 5: Solve for x
    x = 802,770,517.33/38,764.77
  6. Step 6: Final answer
    x = 20,708.77

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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.