Home / 39,652.44-54,721.68-21,748.92

Finding the Fourth Proportional to 39,652.44, 54,721.68 and 21,748.92

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Solution

The fourth proportional to 39,652.44, 54,721.68 and 21,748.92 is: 30,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.44 : 54,721.68 = 21,748.92 : x
  2. Step 2: Convert to fraction form
    39,652.44/54,721.68 = 21,748.92/x
  3. Step 3: Cross multiply
    39,652.44x = 54,721.68 × 21,748.92
  4. Step 4: Simplify right side
    39,652.44x = 1,190,137,440.59
  5. Step 5: Solve for x
    x = 1,190,137,440.59/39,652.44
  6. Step 6: Final answer
    x = 30,014.23

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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.