Home / 31,900.18-44,022.26-18,472.14

Finding the Fourth Proportional to 31,900.18, 44,022.26 and 18,472.14

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Solution

The fourth proportional to 31,900.18, 44,022.26 and 18,472.14 is: 25,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.18 : 44,022.26 = 18,472.14 : x
  2. Step 2: Convert to fraction form
    31,900.18/44,022.26 = 18,472.14/x
  3. Step 3: Cross multiply
    31,900.18x = 44,022.26 × 18,472.14
  4. Step 4: Simplify right side
    31,900.18x = 813,185,349.84
  5. Step 5: Solve for x
    x = 813,185,349.84/31,900.18
  6. Step 6: Final answer
    x = 25,491.56

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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.