Home / 31,293.60-43,170.68-27,712.20

Finding the Fourth Proportional to 31,293.60, 43,170.68 and 27,712.20

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Solution

The fourth proportional to 31,293.60, 43,170.68 and 27,712.20 is: 38,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.60 : 43,170.68 = 27,712.20 : x
  2. Step 2: Convert to fraction form
    31,293.60/43,170.68 = 27,712.20/x
  3. Step 3: Cross multiply
    31,293.60x = 43,170.68 × 27,712.20
  4. Step 4: Simplify right side
    31,293.60x = 1,196,354,518.30
  5. Step 5: Solve for x
    x = 1,196,354,518.30/31,293.60
  6. Step 6: Final answer
    x = 38,230.01

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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.