Home / 51,918.92-77,949.42-51,296.84

Finding the Fourth Proportional to 51,918.92, 77,949.42 and 51,296.84

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Solution

The fourth proportional to 51,918.92, 77,949.42 and 51,296.84 is: 77,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.92 : 77,949.42 = 51,296.84 : x
  2. Step 2: Convert to fraction form
    51,918.92/77,949.42 = 51,296.84/x
  3. Step 3: Cross multiply
    51,918.92x = 77,949.42 × 51,296.84
  4. Step 4: Simplify right side
    51,918.92x = 3,998,558,925.83
  5. Step 5: Solve for x
    x = 3,998,558,925.83/51,918.92
  6. Step 6: Final answer
    x = 77,015.45

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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.