Home / 39,471.78-54,474.28-22,481.35

Finding the Fourth Proportional to 39,471.78, 54,474.28 and 22,481.35

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Solution

The fourth proportional to 39,471.78, 54,474.28 and 22,481.35 is: 31,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.78 : 54,474.28 = 22,481.35 : x
  2. Step 2: Convert to fraction form
    39,471.78/54,474.28 = 22,481.35/x
  3. Step 3: Cross multiply
    39,471.78x = 54,474.28 × 22,481.35
  4. Step 4: Simplify right side
    39,471.78x = 1,224,655,320.36
  5. Step 5: Solve for x
    x = 1,224,655,320.36/39,471.78
  6. Step 6: Final answer
    x = 31,026.10

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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.