Home / 29,530.80-44,288.28-20,169.21

Finding the Fourth Proportional to 29,530.80, 44,288.28 and 20,169.21

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Solution

The fourth proportional to 29,530.80, 44,288.28 and 20,169.21 is: 30,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.80 : 44,288.28 = 20,169.21 : x
  2. Step 2: Convert to fraction form
    29,530.80/44,288.28 = 20,169.21/x
  3. Step 3: Cross multiply
    29,530.80x = 44,288.28 × 20,169.21
  4. Step 4: Simplify right side
    29,530.80x = 893,259,619.86
  5. Step 5: Solve for x
    x = 893,259,619.86/29,530.80
  6. Step 6: Final answer
    x = 30,248.41

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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.