Home / 38,237.12-52,767.84-21,469.76

Finding the Fourth Proportional to 38,237.12, 52,767.84 and 21,469.76

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Solution

The fourth proportional to 38,237.12, 52,767.84 and 21,469.76 is: 29,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.12 : 52,767.84 = 21,469.76 : x
  2. Step 2: Convert to fraction form
    38,237.12/52,767.84 = 21,469.76/x
  3. Step 3: Cross multiply
    38,237.12x = 52,767.84 × 21,469.76
  4. Step 4: Simplify right side
    38,237.12x = 1,132,912,860.52
  5. Step 5: Solve for x
    x = 1,132,912,860.52/38,237.12
  6. Step 6: Final answer
    x = 29,628.61

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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.