Home / 51,836.42-71,568.69-39,878.66

Finding the Fourth Proportional to 51,836.42, 71,568.69 and 39,878.66

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Solution

The fourth proportional to 51,836.42, 71,568.69 and 39,878.66 is: 55,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,836.42 : 71,568.69 = 39,878.66 : x
  2. Step 2: Convert to fraction form
    51,836.42/71,568.69 = 39,878.66/x
  3. Step 3: Cross multiply
    51,836.42x = 71,568.69 × 39,878.66
  4. Step 4: Simplify right side
    51,836.42x = 2,854,063,455.16
  5. Step 5: Solve for x
    x = 2,854,063,455.16/51,836.42
  6. Step 6: Final answer
    x = 55,059.04

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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.