Home / 39,652.58-54,721.26-21,747.42

Finding the Fourth Proportional to 39,652.58, 54,721.26 and 21,747.42

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Solution

The fourth proportional to 39,652.58, 54,721.26 and 21,747.42 is: 30,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.58 : 54,721.26 = 21,747.42 : x
  2. Step 2: Convert to fraction form
    39,652.58/54,721.26 = 21,747.42/x
  3. Step 3: Cross multiply
    39,652.58x = 54,721.26 × 21,747.42
  4. Step 4: Simplify right side
    39,652.58x = 1,190,046,224.15
  5. Step 5: Solve for x
    x = 1,190,046,224.15/39,652.58
  6. Step 6: Final answer
    x = 30,011.82

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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.