Home / 39,202.12-54,098.94-21,297.16

Finding the Fourth Proportional to 39,202.12, 54,098.94 and 21,297.16

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Solution

The fourth proportional to 39,202.12, 54,098.94 and 21,297.16 is: 29,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.12 : 54,098.94 = 21,297.16 : x
  2. Step 2: Convert to fraction form
    39,202.12/54,098.94 = 21,297.16/x
  3. Step 3: Cross multiply
    39,202.12x = 54,098.94 × 21,297.16
  4. Step 4: Simplify right side
    39,202.12x = 1,152,153,781.01
  5. Step 5: Solve for x
    x = 1,152,153,781.01/39,202.12
  6. Step 6: Final answer
    x = 29,390.09

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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.