Home / 36,687.44-55,028.28-13,319.12

Finding the Fourth Proportional to 36,687.44, 55,028.28 and 13,319.12

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Solution

The fourth proportional to 36,687.44, 55,028.28 and 13,319.12 is: 19,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.44 : 55,028.28 = 13,319.12 : x
  2. Step 2: Convert to fraction form
    36,687.44/55,028.28 = 13,319.12/x
  3. Step 3: Cross multiply
    36,687.44x = 55,028.28 × 13,319.12
  4. Step 4: Simplify right side
    36,687.44x = 732,928,264.71
  5. Step 5: Solve for x
    x = 732,928,264.71/36,687.44
  6. Step 6: Final answer
    x = 19,977.63

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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.