Home / 31,294.35-43,171.72-27,712.95

Finding the Fourth Proportional to 31,294.35, 43,171.72 and 27,712.95

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Solution

The fourth proportional to 31,294.35, 43,171.72 and 27,712.95 is: 38,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.35 : 43,171.72 = 27,712.95 : x
  2. Step 2: Convert to fraction form
    31,294.35/43,171.72 = 27,712.95/x
  3. Step 3: Cross multiply
    31,294.35x = 43,171.72 × 27,712.95
  4. Step 4: Simplify right side
    31,294.35x = 1,196,415,579.21
  5. Step 5: Solve for x
    x = 1,196,415,579.21/31,294.35
  6. Step 6: Final answer
    x = 38,231.05

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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.