Home / 51,960.24-71,729.10-30,447

Finding the Fourth Proportional to 51,960.24, 71,729.10 and 30,447

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Solution

The fourth proportional to 51,960.24, 71,729.10 and 30,447 is: 42,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,960.24 : 71,729.10 = 30,447 : x
  2. Step 2: Convert to fraction form
    51,960.24/71,729.10 = 30,447/x
  3. Step 3: Cross multiply
    51,960.24x = 71,729.10 × 30,447
  4. Step 4: Simplify right side
    51,960.24x = 2,183,935,907.70
  5. Step 5: Solve for x
    x = 2,183,935,907.70/51,960.24
  6. Step 6: Final answer
    x = 42,030.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.