Home / 36,649.68-54,991.80-13,269.84

Finding the Fourth Proportional to 36,649.68, 54,991.80 and 13,269.84

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Solution

The fourth proportional to 36,649.68, 54,991.80 and 13,269.84 is: 19,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.68 : 54,991.80 = 13,269.84 : x
  2. Step 2: Convert to fraction form
    36,649.68/54,991.80 = 13,269.84/x
  3. Step 3: Cross multiply
    36,649.68x = 54,991.80 × 13,269.84
  4. Step 4: Simplify right side
    36,649.68x = 729,732,387.31
  5. Step 5: Solve for x
    x = 729,732,387.31/36,649.68
  6. Step 6: Final answer
    x = 19,911.02

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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.