Home / 52,236.51-78,354.57-18,956.52

Finding the Fourth Proportional to 52,236.51, 78,354.57 and 18,956.52

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Solution

The fourth proportional to 52,236.51, 78,354.57 and 18,956.52 is: 28,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.51 : 78,354.57 = 18,956.52 : x
  2. Step 2: Convert to fraction form
    52,236.51/78,354.57 = 18,956.52/x
  3. Step 3: Cross multiply
    52,236.51x = 78,354.57 × 18,956.52
  4. Step 4: Simplify right side
    52,236.51x = 1,485,329,973.30
  5. Step 5: Solve for x
    x = 1,485,329,973.30/52,236.51
  6. Step 6: Final answer
    x = 28,434.71

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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.