Home / 61,716.36-85,144.46-35,870.61

Finding the Fourth Proportional to 61,716.36, 85,144.46 and 35,870.61

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Solution

The fourth proportional to 61,716.36, 85,144.46 and 35,870.61 is: 49,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.36 : 85,144.46 = 35,870.61 : x
  2. Step 2: Convert to fraction form
    61,716.36/85,144.46 = 35,870.61/x
  3. Step 3: Cross multiply
    61,716.36x = 85,144.46 × 35,870.61
  4. Step 4: Simplify right side
    61,716.36x = 3,054,183,718.32
  5. Step 5: Solve for x
    x = 3,054,183,718.32/61,716.36
  6. Step 6: Final answer
    x = 49,487.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.