Home / 52,236.50-78,354.59-18,956.52

Finding the Fourth Proportional to 52,236.50, 78,354.59 and 18,956.52

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Solution

The fourth proportional to 52,236.50, 78,354.59 and 18,956.52 is: 28,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.50 : 78,354.59 = 18,956.52 : x
  2. Step 2: Convert to fraction form
    52,236.50/78,354.59 = 18,956.52/x
  3. Step 3: Cross multiply
    52,236.50x = 78,354.59 × 18,956.52
  4. Step 4: Simplify right side
    52,236.50x = 1,485,330,257.64
  5. Step 5: Solve for x
    x = 1,485,330,257.64/52,236.50
  6. Step 6: Final answer
    x = 28,434.72

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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.