Home / 36,801.04-55,209.75-13,427.47

Finding the Fourth Proportional to 36,801.04, 55,209.75 and 13,427.47

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Solution

The fourth proportional to 36,801.04, 55,209.75 and 13,427.47 is: 20,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.04 : 55,209.75 = 13,427.47 : x
  2. Step 2: Convert to fraction form
    36,801.04/55,209.75 = 13,427.47/x
  3. Step 3: Cross multiply
    36,801.04x = 55,209.75 × 13,427.47
  4. Step 4: Simplify right side
    36,801.04x = 741,327,261.83
  5. Step 5: Solve for x
    x = 741,327,261.83/36,801.04
  6. Step 6: Final answer
    x = 20,144.19

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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.