Home / 36,018.24-49,705.70-20,103.90

Finding the Fourth Proportional to 36,018.24, 49,705.70 and 20,103.90

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Solution

The fourth proportional to 36,018.24, 49,705.70 and 20,103.90 is: 27,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.24 : 49,705.70 = 20,103.90 : x
  2. Step 2: Convert to fraction form
    36,018.24/49,705.70 = 20,103.90/x
  3. Step 3: Cross multiply
    36,018.24x = 49,705.70 × 20,103.90
  4. Step 4: Simplify right side
    36,018.24x = 999,278,248.40
  5. Step 5: Solve for x
    x = 999,278,248.40/36,018.24
  6. Step 6: Final answer
    x = 27,743.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.