Home / 39,202.62-54,099.99-21,297.76

Finding the Fourth Proportional to 39,202.62, 54,099.99 and 21,297.76

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Solution

The fourth proportional to 39,202.62, 54,099.99 and 21,297.76 is: 29,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.62 : 54,099.99 = 21,297.76 : x
  2. Step 2: Convert to fraction form
    39,202.62/54,099.99 = 21,297.76/x
  3. Step 3: Cross multiply
    39,202.62x = 54,099.99 × 21,297.76
  4. Step 4: Simplify right side
    39,202.62x = 1,152,208,603.02
  5. Step 5: Solve for x
    x = 1,152,208,603.02/39,202.62
  6. Step 6: Final answer
    x = 29,391.11

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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.