Home / 69,607.11-96,057.76-39,391.88

Finding the Fourth Proportional to 69,607.11, 96,057.76 and 39,391.88

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Solution

The fourth proportional to 69,607.11, 96,057.76 and 39,391.88 is: 54,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607.11 : 96,057.76 = 39,391.88 : x
  2. Step 2: Convert to fraction form
    69,607.11/96,057.76 = 39,391.88/x
  3. Step 3: Cross multiply
    69,607.11x = 96,057.76 × 39,391.88
  4. Step 4: Simplify right side
    69,607.11x = 3,783,895,754.99
  5. Step 5: Solve for x
    x = 3,783,895,754.99/69,607.11
  6. Step 6: Final answer
    x = 54,360.77

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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.