Home / 31,690.20-43,815.96-27,753.60

Finding the Fourth Proportional to 31,690.20, 43,815.96 and 27,753.60

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Solution

The fourth proportional to 31,690.20, 43,815.96 and 27,753.60 is: 38,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690.20 : 43,815.96 = 27,753.60 : x
  2. Step 2: Convert to fraction form
    31,690.20/43,815.96 = 27,753.60/x
  3. Step 3: Cross multiply
    31,690.20x = 43,815.96 × 27,753.60
  4. Step 4: Simplify right side
    31,690.20x = 1,216,050,627.46
  5. Step 5: Solve for x
    x = 1,216,050,627.46/31,690.20
  6. Step 6: Final answer
    x = 38,373.08

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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.