Home / 51,854.97-77,798.60-18,575.32

Finding the Fourth Proportional to 51,854.97, 77,798.60 and 18,575.32

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Solution

The fourth proportional to 51,854.97, 77,798.60 and 18,575.32 is: 27,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,854.97 : 77,798.60 = 18,575.32 : x
  2. Step 2: Convert to fraction form
    51,854.97/77,798.60 = 18,575.32/x
  3. Step 3: Cross multiply
    51,854.97x = 77,798.60 × 18,575.32
  4. Step 4: Simplify right side
    51,854.97x = 1,445,133,797.68
  5. Step 5: Solve for x
    x = 1,445,133,797.68/51,854.97
  6. Step 6: Final answer
    x = 27,868.76

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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.