Home / 39,729.30-54,835.16-27,481.92

Finding the Fourth Proportional to 39,729.30, 54,835.16 and 27,481.92

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Solution

The fourth proportional to 39,729.30, 54,835.16 and 27,481.92 is: 37,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.30 : 54,835.16 = 27,481.92 : x
  2. Step 2: Convert to fraction form
    39,729.30/54,835.16 = 27,481.92/x
  3. Step 3: Cross multiply
    39,729.30x = 54,835.16 × 27,481.92
  4. Step 4: Simplify right side
    39,729.30x = 1,506,975,480.31
  5. Step 5: Solve for x
    x = 1,506,975,480.31/39,729.30
  6. Step 6: Final answer
    x = 37,931.09

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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.