Home / 30,040.59-45,031.46-16,719.95

Finding the Fourth Proportional to 30,040.59, 45,031.46 and 16,719.95

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Solution

The fourth proportional to 30,040.59, 45,031.46 and 16,719.95 is: 25,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.59 : 45,031.46 = 16,719.95 : x
  2. Step 2: Convert to fraction form
    30,040.59/45,031.46 = 16,719.95/x
  3. Step 3: Cross multiply
    30,040.59x = 45,031.46 × 16,719.95
  4. Step 4: Simplify right side
    30,040.59x = 752,923,450.87
  5. Step 5: Solve for x
    x = 752,923,450.87/30,040.59
  6. Step 6: Final answer
    x = 25,063.54

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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.