Home / 36,777.87-55,175.01-13,404.31

Finding the Fourth Proportional to 36,777.87, 55,175.01 and 13,404.31

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Solution

The fourth proportional to 36,777.87, 55,175.01 and 13,404.31 is: 20,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.87 : 55,175.01 = 13,404.31 : x
  2. Step 2: Convert to fraction form
    36,777.87/55,175.01 = 13,404.31/x
  3. Step 3: Cross multiply
    36,777.87x = 55,175.01 × 13,404.31
  4. Step 4: Simplify right side
    36,777.87x = 739,582,750.09
  5. Step 5: Solve for x
    x = 739,582,750.09/36,777.87
  6. Step 6: Final answer
    x = 20,109.45

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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.