Home / 43,401.15-65,034.36-30,100.07

Finding the Fourth Proportional to 43,401.15, 65,034.36 and 30,100.07

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Solution

The fourth proportional to 43,401.15, 65,034.36 and 30,100.07 is: 45,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.15 : 65,034.36 = 30,100.07 : x
  2. Step 2: Convert to fraction form
    43,401.15/65,034.36 = 30,100.07/x
  3. Step 3: Cross multiply
    43,401.15x = 65,034.36 × 30,100.07
  4. Step 4: Simplify right side
    43,401.15x = 1,957,538,950.99
  5. Step 5: Solve for x
    x = 1,957,538,950.99/43,401.15
  6. Step 6: Final answer
    x = 45,103.39

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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.