Home / 36,780.12-55,204.83-19,262.25

Finding the Fourth Proportional to 36,780.12, 55,204.83 and 19,262.25

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Solution

The fourth proportional to 36,780.12, 55,204.83 and 19,262.25 is: 28,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.12 : 55,204.83 = 19,262.25 : x
  2. Step 2: Convert to fraction form
    36,780.12/55,204.83 = 19,262.25/x
  3. Step 3: Cross multiply
    36,780.12x = 55,204.83 × 19,262.25
  4. Step 4: Simplify right side
    36,780.12x = 1,063,369,236.67
  5. Step 5: Solve for x
    x = 1,063,369,236.67/36,780.12
  6. Step 6: Final answer
    x = 28,911.52

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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.