Home / 29,014.12-39,995.94-22,715.56

Finding the Fourth Proportional to 29,014.12, 39,995.94 and 22,715.56

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Solution

The fourth proportional to 29,014.12, 39,995.94 and 22,715.56 is: 31,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,014.12 : 39,995.94 = 22,715.56 : x
  2. Step 2: Convert to fraction form
    29,014.12/39,995.94 = 22,715.56/x
  3. Step 3: Cross multiply
    29,014.12x = 39,995.94 × 22,715.56
  4. Step 4: Simplify right side
    29,014.12x = 908,530,174.83
  5. Step 5: Solve for x
    x = 908,530,174.83/29,014.12
  6. Step 6: Final answer
    x = 31,313.38

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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.