Home / 39,522.52-54,540.70-21,617.34

Finding the Fourth Proportional to 39,522.52, 54,540.70 and 21,617.34

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Solution

The fourth proportional to 39,522.52, 54,540.70 and 21,617.34 is: 29,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.52 : 54,540.70 = 21,617.34 : x
  2. Step 2: Convert to fraction form
    39,522.52/54,540.70 = 21,617.34/x
  3. Step 3: Cross multiply
    39,522.52x = 54,540.70 × 21,617.34
  4. Step 4: Simplify right side
    39,522.52x = 1,179,024,855.74
  5. Step 5: Solve for x
    x = 1,179,024,855.74/39,522.52
  6. Step 6: Final answer
    x = 29,831.72

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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.