Home / 51,878.28-77,841.72-25,568.68

Finding the Fourth Proportional to 51,878.28, 77,841.72 and 25,568.68

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Solution

The fourth proportional to 51,878.28, 77,841.72 and 25,568.68 is: 38,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.28 : 77,841.72 = 25,568.68 : x
  2. Step 2: Convert to fraction form
    51,878.28/77,841.72 = 25,568.68/x
  3. Step 3: Cross multiply
    51,878.28x = 77,841.72 × 25,568.68
  4. Step 4: Simplify right side
    51,878.28x = 1,990,310,029.33
  5. Step 5: Solve for x
    x = 1,990,310,029.33/51,878.28
  6. Step 6: Final answer
    x = 38,365.00

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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.