Home / 38,221.98-52,749.63-22,311.54

Finding the Fourth Proportional to 38,221.98, 52,749.63 and 22,311.54

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Solution

The fourth proportional to 38,221.98, 52,749.63 and 22,311.54 is: 30,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.98 : 52,749.63 = 22,311.54 : x
  2. Step 2: Convert to fraction form
    38,221.98/52,749.63 = 22,311.54/x
  3. Step 3: Cross multiply
    38,221.98x = 52,749.63 × 22,311.54
  4. Step 4: Simplify right side
    38,221.98x = 1,176,925,479.73
  5. Step 5: Solve for x
    x = 1,176,925,479.73/38,221.98
  6. Step 6: Final answer
    x = 30,791.85

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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.