Home / 39,474.85-54,469.34-22,479.74

Finding the Fourth Proportional to 39,474.85, 54,469.34 and 22,479.74

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Solution

The fourth proportional to 39,474.85, 54,469.34 and 22,479.74 is: 31,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.85 : 54,469.34 = 22,479.74 : x
  2. Step 2: Convert to fraction form
    39,474.85/54,469.34 = 22,479.74/x
  3. Step 3: Cross multiply
    39,474.85x = 54,469.34 × 22,479.74
  4. Step 4: Simplify right side
    39,474.85x = 1,224,456,601.17
  5. Step 5: Solve for x
    x = 1,224,456,601.17/39,474.85
  6. Step 6: Final answer
    x = 31,018.65

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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.