Home / 30,273.15-45,404.33-19,159.95

Finding the Fourth Proportional to 30,273.15, 45,404.33 and 19,159.95

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Solution

The fourth proportional to 30,273.15, 45,404.33 and 19,159.95 is: 28,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.15 : 45,404.33 = 19,159.95 : x
  2. Step 2: Convert to fraction form
    30,273.15/45,404.33 = 19,159.95/x
  3. Step 3: Cross multiply
    30,273.15x = 45,404.33 × 19,159.95
  4. Step 4: Simplify right side
    30,273.15x = 869,944,596.78
  5. Step 5: Solve for x
    x = 869,944,596.78/30,273.15
  6. Step 6: Final answer
    x = 28,736.51

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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.