Home / 51,458.87-77,151.85-19,842.14

Finding the Fourth Proportional to 51,458.87, 77,151.85 and 19,842.14

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Solution

The fourth proportional to 51,458.87, 77,151.85 and 19,842.14 is: 29,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.87 : 77,151.85 = 19,842.14 : x
  2. Step 2: Convert to fraction form
    51,458.87/77,151.85 = 19,842.14/x
  3. Step 3: Cross multiply
    51,458.87x = 77,151.85 × 19,842.14
  4. Step 4: Simplify right side
    51,458.87x = 1,530,857,808.96
  5. Step 5: Solve for x
    x = 1,530,857,808.96/51,458.87
  6. Step 6: Final answer
    x = 29,749.15

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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.