Home / 61,121.42-91,717.87-25,579.77

Finding the Fourth Proportional to 61,121.42, 91,717.87 and 25,579.77

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Solution

The fourth proportional to 61,121.42, 91,717.87 and 25,579.77 is: 38,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121.42 : 91,717.87 = 25,579.77 : x
  2. Step 2: Convert to fraction form
    61,121.42/91,717.87 = 25,579.77/x
  3. Step 3: Cross multiply
    61,121.42x = 91,717.87 × 25,579.77
  4. Step 4: Simplify right side
    61,121.42x = 2,346,122,019.49
  5. Step 5: Solve for x
    x = 2,346,122,019.49/61,121.42
  6. Step 6: Final answer
    x = 38,384.61

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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.