Home / 39,773.03-54,886.28-21,867.88

Finding the Fourth Proportional to 39,773.03, 54,886.28 and 21,867.88

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Solution

The fourth proportional to 39,773.03, 54,886.28 and 21,867.88 is: 30,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.03 : 54,886.28 = 21,867.88 : x
  2. Step 2: Convert to fraction form
    39,773.03/54,886.28 = 21,867.88/x
  3. Step 3: Cross multiply
    39,773.03x = 54,886.28 × 21,867.88
  4. Step 4: Simplify right side
    39,773.03x = 1,200,246,310.26
  5. Step 5: Solve for x
    x = 1,200,246,310.26/39,773.03
  6. Step 6: Final answer
    x = 30,177.40

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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.