Home / 52,118.80-78,282.85-31,099.88

Finding the Fourth Proportional to 52,118.80, 78,282.85 and 31,099.88

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Solution

The fourth proportional to 52,118.80, 78,282.85 and 31,099.88 is: 46,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.80 : 78,282.85 = 31,099.88 : x
  2. Step 2: Convert to fraction form
    52,118.80/78,282.85 = 31,099.88/x
  3. Step 3: Cross multiply
    52,118.80x = 78,282.85 × 31,099.88
  4. Step 4: Simplify right side
    52,118.80x = 2,434,587,241.06
  5. Step 5: Solve for x
    x = 2,434,587,241.06/52,118.80
  6. Step 6: Final answer
    x = 46,712.27

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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.