Home / 52,209.66-78,323.43-20,603.23

Finding the Fourth Proportional to 52,209.66, 78,323.43 and 20,603.23

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Solution

The fourth proportional to 52,209.66, 78,323.43 and 20,603.23 is: 30,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.66 : 78,323.43 = 20,603.23 : x
  2. Step 2: Convert to fraction form
    52,209.66/78,323.43 = 20,603.23/x
  3. Step 3: Cross multiply
    52,209.66x = 78,323.43 × 20,603.23
  4. Step 4: Simplify right side
    52,209.66x = 1,613,715,642.68
  5. Step 5: Solve for x
    x = 1,613,715,642.68/52,209.66
  6. Step 6: Final answer
    x = 30,908.37

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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.