Home / 45,447.86-68,175.21-12,167.19

Finding the Fourth Proportional to 45,447.86, 68,175.21 and 12,167.19

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Solution

The fourth proportional to 45,447.86, 68,175.21 and 12,167.19 is: 18,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.86 : 68,175.21 = 12,167.19 : x
  2. Step 2: Convert to fraction form
    45,447.86/68,175.21 = 12,167.19/x
  3. Step 3: Cross multiply
    45,447.86x = 68,175.21 × 12,167.19
  4. Step 4: Simplify right side
    45,447.86x = 829,500,733.36
  5. Step 5: Solve for x
    x = 829,500,733.36/45,447.86
  6. Step 6: Final answer
    x = 18,251.70

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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.