Home / 30,119.96-45,144.09-22,699.95

Finding the Fourth Proportional to 30,119.96, 45,144.09 and 22,699.95

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Solution

The fourth proportional to 30,119.96, 45,144.09 and 22,699.95 is: 34,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.96 : 45,144.09 = 22,699.95 : x
  2. Step 2: Convert to fraction form
    30,119.96/45,144.09 = 22,699.95/x
  3. Step 3: Cross multiply
    30,119.96x = 45,144.09 × 22,699.95
  4. Step 4: Simplify right side
    30,119.96x = 1,024,768,585.80
  5. Step 5: Solve for x
    x = 1,024,768,585.80/30,119.96
  6. Step 6: Final answer
    x = 34,022.91

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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.