Home / 52,115.15-71,918.96-28,241.61

Finding the Fourth Proportional to 52,115.15, 71,918.96 and 28,241.61

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Solution

The fourth proportional to 52,115.15, 71,918.96 and 28,241.61 is: 38,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.15 : 71,918.96 = 28,241.61 : x
  2. Step 2: Convert to fraction form
    52,115.15/71,918.96 = 28,241.61/x
  3. Step 3: Cross multiply
    52,115.15x = 71,918.96 × 28,241.61
  4. Step 4: Simplify right side
    52,115.15x = 2,031,107,451.85
  5. Step 5: Solve for x
    x = 2,031,107,451.85/52,115.15
  6. Step 6: Final answer
    x = 38,973.46

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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.