Home / 31,977.40-44,120.14-18,179.54

Finding the Fourth Proportional to 31,977.40, 44,120.14 and 18,179.54

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Solution

The fourth proportional to 31,977.40, 44,120.14 and 18,179.54 is: 25,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.40 : 44,120.14 = 18,179.54 : x
  2. Step 2: Convert to fraction form
    31,977.40/44,120.14 = 18,179.54/x
  3. Step 3: Cross multiply
    31,977.40x = 44,120.14 × 18,179.54
  4. Step 4: Simplify right side
    31,977.40x = 802,083,849.94
  5. Step 5: Solve for x
    x = 802,083,849.94/31,977.40
  6. Step 6: Final answer
    x = 25,082.84

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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.