Home / 75,631.22-113,446.84-31,209.16

Finding the Fourth Proportional to 75,631.22, 113,446.84 and 31,209.16

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Solution

The fourth proportional to 75,631.22, 113,446.84 and 31,209.16 is: 46,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631.22 : 113,446.84 = 31,209.16 : x
  2. Step 2: Convert to fraction form
    75,631.22/113,446.84 = 31,209.16/x
  3. Step 3: Cross multiply
    75,631.22x = 113,446.84 × 31,209.16
  4. Step 4: Simplify right side
    75,631.22x = 3,540,580,581.05
  5. Step 5: Solve for x
    x = 3,540,580,581.05/75,631.22
  6. Step 6: Final answer
    x = 46,813.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.