Home / 51,977.34-71,729.91-30,760.38

Finding the Fourth Proportional to 51,977.34, 71,729.91 and 30,760.38

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Solution

The fourth proportional to 51,977.34, 71,729.91 and 30,760.38 is: 42,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.34 : 71,729.91 = 30,760.38 : x
  2. Step 2: Convert to fraction form
    51,977.34/71,729.91 = 30,760.38/x
  3. Step 3: Cross multiply
    51,977.34x = 71,729.91 × 30,760.38
  4. Step 4: Simplify right side
    51,977.34x = 2,206,439,288.97
  5. Step 5: Solve for x
    x = 2,206,439,288.97/51,977.34
  6. Step 6: Final answer
    x = 42,450.02

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1.5x scale

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.