Home / 39,552.30-54,583.07-21,648.06

Finding the Fourth Proportional to 39,552.30, 54,583.07 and 21,648.06

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Solution

The fourth proportional to 39,552.30, 54,583.07 and 21,648.06 is: 29,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,552.30 : 54,583.07 = 21,648.06 : x
  2. Step 2: Convert to fraction form
    39,552.30/54,583.07 = 21,648.06/x
  3. Step 3: Cross multiply
    39,552.30x = 54,583.07 × 21,648.06
  4. Step 4: Simplify right side
    39,552.30x = 1,181,617,466.10
  5. Step 5: Solve for x
    x = 1,181,617,466.10/39,552.30
  6. Step 6: Final answer
    x = 29,874.81

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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.