Home / 36,869.40-55,304.10-13,512.60

Finding the Fourth Proportional to 36,869.40, 55,304.10 and 13,512.60

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Solution

The fourth proportional to 36,869.40, 55,304.10 and 13,512.60 is: 20,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.40 : 55,304.10 = 13,512.60 : x
  2. Step 2: Convert to fraction form
    36,869.40/55,304.10 = 13,512.60/x
  3. Step 3: Cross multiply
    36,869.40x = 55,304.10 × 13,512.60
  4. Step 4: Simplify right side
    36,869.40x = 747,302,181.66
  5. Step 5: Solve for x
    x = 747,302,181.66/36,869.40
  6. Step 6: Final answer
    x = 20,268.90

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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.