Home / 51,385.19-77,078.18-18,097.63

Finding the Fourth Proportional to 51,385.19, 77,078.18 and 18,097.63

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Solution

The fourth proportional to 51,385.19, 77,078.18 and 18,097.63 is: 27,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.19 : 77,078.18 = 18,097.63 : x
  2. Step 2: Convert to fraction form
    51,385.19/77,078.18 = 18,097.63/x
  3. Step 3: Cross multiply
    51,385.19x = 77,078.18 × 18,097.63
  4. Step 4: Simplify right side
    51,385.19x = 1,394,932,235.26
  5. Step 5: Solve for x
    x = 1,394,932,235.26/51,385.19
  6. Step 6: Final answer
    x = 27,146.58

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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.