Home / 38,254.70-52,791.78-21,260.54

Finding the Fourth Proportional to 38,254.70, 52,791.78 and 21,260.54

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Solution

The fourth proportional to 38,254.70, 52,791.78 and 21,260.54 is: 29,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.70 : 52,791.78 = 21,260.54 : x
  2. Step 2: Convert to fraction form
    38,254.70/52,791.78 = 21,260.54/x
  3. Step 3: Cross multiply
    38,254.70x = 52,791.78 × 21,260.54
  4. Step 4: Simplify right side
    38,254.70x = 1,122,381,750.36
  5. Step 5: Solve for x
    x = 1,122,381,750.36/38,254.70
  6. Step 6: Final answer
    x = 29,339.71

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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.