Home / 36,241.80-54,368.10-12,866.28

Finding the Fourth Proportional to 36,241.80, 54,368.10 and 12,866.28

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Solution

The fourth proportional to 36,241.80, 54,368.10 and 12,866.28 is: 19,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,241.80 : 54,368.10 = 12,866.28 : x
  2. Step 2: Convert to fraction form
    36,241.80/54,368.10 = 12,866.28/x
  3. Step 3: Cross multiply
    36,241.80x = 54,368.10 × 12,866.28
  4. Step 4: Simplify right side
    36,241.80x = 699,515,197.67
  5. Step 5: Solve for x
    x = 699,515,197.67/36,241.80
  6. Step 6: Final answer
    x = 19,301.34

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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.