Home / 39,203.36-54,099.10-21,297.96

Finding the Fourth Proportional to 39,203.36, 54,099.10 and 21,297.96

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Solution

The fourth proportional to 39,203.36, 54,099.10 and 21,297.96 is: 29,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.36 : 54,099.10 = 21,297.96 : x
  2. Step 2: Convert to fraction form
    39,203.36/54,099.10 = 21,297.96/x
  3. Step 3: Cross multiply
    39,203.36x = 54,099.10 × 21,297.96
  4. Step 4: Simplify right side
    39,203.36x = 1,152,200,467.84
  5. Step 5: Solve for x
    x = 1,152,200,467.84/39,203.36
  6. Step 6: Final answer
    x = 29,390.35

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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.