Home / 39,184.74-54,075.33-21,279.90

Finding the Fourth Proportional to 39,184.74, 54,075.33 and 21,279.90

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Solution

The fourth proportional to 39,184.74, 54,075.33 and 21,279.90 is: 29,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.74 : 54,075.33 = 21,279.90 : x
  2. Step 2: Convert to fraction form
    39,184.74/54,075.33 = 21,279.90/x
  3. Step 3: Cross multiply
    39,184.74x = 54,075.33 × 21,279.90
  4. Step 4: Simplify right side
    39,184.74x = 1,150,717,614.87
  5. Step 5: Solve for x
    x = 1,150,717,614.87/39,184.74
  6. Step 6: Final answer
    x = 29,366.47

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