Home / 39,202.08-54,097.92-21,297.12

Finding the Fourth Proportional to 39,202.08, 54,097.92 and 21,297.12

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Solution

The fourth proportional to 39,202.08, 54,097.92 and 21,297.12 is: 29,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.08 : 54,097.92 = 21,297.12 : x
  2. Step 2: Convert to fraction form
    39,202.08/54,097.92 = 21,297.12/x
  3. Step 3: Cross multiply
    39,202.08x = 54,097.92 × 21,297.12
  4. Step 4: Simplify right side
    39,202.08x = 1,152,129,893.99
  5. Step 5: Solve for x
    x = 1,152,129,893.99/39,202.08
  6. Step 6: Final answer
    x = 29,389.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.