Home / 36,801.93-55,219.30-13,422.90

Finding the Fourth Proportional to 36,801.93, 55,219.30 and 13,422.90

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Solution

The fourth proportional to 36,801.93, 55,219.30 and 13,422.90 is: 20,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.93 : 55,219.30 = 13,422.90 : x
  2. Step 2: Convert to fraction form
    36,801.93/55,219.30 = 13,422.90/x
  3. Step 3: Cross multiply
    36,801.93x = 55,219.30 × 13,422.90
  4. Step 4: Simplify right side
    36,801.93x = 741,203,313.34
  5. Step 5: Solve for x
    x = 741,203,313.34/36,801.93
  6. Step 6: Final answer
    x = 20,140.34

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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.