Home / 52,175.18-78,268.80-18,910.88

Finding the Fourth Proportional to 52,175.18, 78,268.80 and 18,910.88

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Solution

The fourth proportional to 52,175.18, 78,268.80 and 18,910.88 is: 28,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175.18 : 78,268.80 = 18,910.88 : x
  2. Step 2: Convert to fraction form
    52,175.18/78,268.80 = 18,910.88/x
  3. Step 3: Cross multiply
    52,175.18x = 78,268.80 × 18,910.88
  4. Step 4: Simplify right side
    52,175.18x = 1,480,131,884.54
  5. Step 5: Solve for x
    x = 1,480,131,884.54/52,175.18
  6. Step 6: Final answer
    x = 28,368.51

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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.