Home / 56,404.76-84,579.39-23,115.78

Finding the Fourth Proportional to 56,404.76, 84,579.39 and 23,115.78

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Solution

The fourth proportional to 56,404.76, 84,579.39 and 23,115.78 is: 34,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404.76 : 84,579.39 = 23,115.78 : x
  2. Step 2: Convert to fraction form
    56,404.76/84,579.39 = 23,115.78/x
  3. Step 3: Cross multiply
    56,404.76x = 84,579.39 × 23,115.78
  4. Step 4: Simplify right side
    56,404.76x = 1,955,118,571.77
  5. Step 5: Solve for x
    x = 1,955,118,571.77/56,404.76
  6. Step 6: Final answer
    x = 34,662.30

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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.