Home / 52,557.35-78,789.14-19,269.65

Finding the Fourth Proportional to 52,557.35, 78,789.14 and 19,269.65

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Solution

The fourth proportional to 52,557.35, 78,789.14 and 19,269.65 is: 28,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.35 : 78,789.14 = 19,269.65 : x
  2. Step 2: Convert to fraction form
    52,557.35/78,789.14 = 19,269.65/x
  3. Step 3: Cross multiply
    52,557.35x = 78,789.14 × 19,269.65
  4. Step 4: Simplify right side
    52,557.35x = 1,518,239,324.49
  5. Step 5: Solve for x
    x = 1,518,239,324.49/52,557.35
  6. Step 6: Final answer
    x = 28,887.29

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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.