Home / 52,075.56-78,097.18-18,791.28

Finding the Fourth Proportional to 52,075.56, 78,097.18 and 18,791.28

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Solution

The fourth proportional to 52,075.56, 78,097.18 and 18,791.28 is: 28,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,075.56 : 78,097.18 = 18,791.28 : x
  2. Step 2: Convert to fraction form
    52,075.56/78,097.18 = 18,791.28/x
  3. Step 3: Cross multiply
    52,075.56x = 78,097.18 × 18,791.28
  4. Step 4: Simplify right side
    52,075.56x = 1,467,545,976.59
  5. Step 5: Solve for x
    x = 1,467,545,976.59/52,075.56
  6. Step 6: Final answer
    x = 28,181.09

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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.