Home / 51,845.80-77,775.12-18,569.44

Finding the Fourth Proportional to 51,845.80, 77,775.12 and 18,569.44

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Solution

The fourth proportional to 51,845.80, 77,775.12 and 18,569.44 is: 27,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,845.80 : 77,775.12 = 18,569.44 : x
  2. Step 2: Convert to fraction form
    51,845.80/77,775.12 = 18,569.44/x
  3. Step 3: Cross multiply
    51,845.80x = 77,775.12 × 18,569.44
  4. Step 4: Simplify right side
    51,845.80x = 1,444,240,424.33
  5. Step 5: Solve for x
    x = 1,444,240,424.33/51,845.80
  6. Step 6: Final answer
    x = 27,856.46

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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.