Home / 51,791.74-77,692.01-14,351.81

Finding the Fourth Proportional to 51,791.74, 77,692.01 and 14,351.81

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Solution

The fourth proportional to 51,791.74, 77,692.01 and 14,351.81 is: 21,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.74 : 77,692.01 = 14,351.81 : x
  2. Step 2: Convert to fraction form
    51,791.74/77,692.01 = 14,351.81/x
  3. Step 3: Cross multiply
    51,791.74x = 77,692.01 × 14,351.81
  4. Step 4: Simplify right side
    51,791.74x = 1,115,020,505.82
  5. Step 5: Solve for x
    x = 1,115,020,505.82/51,791.74
  6. Step 6: Final answer
    x = 21,528.93

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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.