Home / 52,236.42-78,385.76-18,959.08

Finding the Fourth Proportional to 52,236.42, 78,385.76 and 18,959.08

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Solution

The fourth proportional to 52,236.42, 78,385.76 and 18,959.08 is: 28,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.42 : 78,385.76 = 18,959.08 : x
  2. Step 2: Convert to fraction form
    52,236.42/78,385.76 = 18,959.08/x
  3. Step 3: Cross multiply
    52,236.42x = 78,385.76 × 18,959.08
  4. Step 4: Simplify right side
    52,236.42x = 1,486,121,894.70
  5. Step 5: Solve for x
    x = 1,486,121,894.70/52,236.42
  6. Step 6: Final answer
    x = 28,449.92

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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.