Home / 43,335.68-65,007.48-12,170.72

Finding the Fourth Proportional to 43,335.68, 65,007.48 and 12,170.72

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Solution

The fourth proportional to 43,335.68, 65,007.48 and 12,170.72 is: 18,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.68 : 65,007.48 = 12,170.72 : x
  2. Step 2: Convert to fraction form
    43,335.68/65,007.48 = 12,170.72/x
  3. Step 3: Cross multiply
    43,335.68x = 65,007.48 × 12,170.72
  4. Step 4: Simplify right side
    43,335.68x = 791,187,836.99
  5. Step 5: Solve for x
    x = 791,187,836.99/43,335.68
  6. Step 6: Final answer
    x = 18,257.19

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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.