Home / 38,251.76-52,789.01-21,255.93

Finding the Fourth Proportional to 38,251.76, 52,789.01 and 21,255.93

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Solution

The fourth proportional to 38,251.76, 52,789.01 and 21,255.93 is: 29,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.76 : 52,789.01 = 21,255.93 : x
  2. Step 2: Convert to fraction form
    38,251.76/52,789.01 = 21,255.93/x
  3. Step 3: Cross multiply
    38,251.76x = 52,789.01 × 21,255.93
  4. Step 4: Simplify right side
    38,251.76x = 1,122,079,395.05
  5. Step 5: Solve for x
    x = 1,122,079,395.05/38,251.76
  6. Step 6: Final answer
    x = 29,334.06

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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.