Home / 36,896.21-55,355.97-13,203.20

Finding the Fourth Proportional to 36,896.21, 55,355.97 and 13,203.20

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Solution

The fourth proportional to 36,896.21, 55,355.97 and 13,203.20 is: 19,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.21 : 55,355.97 = 13,203.20 : x
  2. Step 2: Convert to fraction form
    36,896.21/55,355.97 = 13,203.20/x
  3. Step 3: Cross multiply
    36,896.21x = 55,355.97 × 13,203.20
  4. Step 4: Simplify right side
    36,896.21x = 730,875,943.10
  5. Step 5: Solve for x
    x = 730,875,943.10/36,896.21
  6. Step 6: Final answer
    x = 19,808.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.