Home / 31,901.42-44,022.06-18,471.72

Finding the Fourth Proportional to 31,901.42, 44,022.06 and 18,471.72

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Solution

The fourth proportional to 31,901.42, 44,022.06 and 18,471.72 is: 25,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901.42 : 44,022.06 = 18,471.72 : x
  2. Step 2: Convert to fraction form
    31,901.42/44,022.06 = 18,471.72/x
  3. Step 3: Cross multiply
    31,901.42x = 44,022.06 × 18,471.72
  4. Step 4: Simplify right side
    31,901.42x = 813,163,166.14
  5. Step 5: Solve for x
    x = 813,163,166.14/31,901.42
  6. Step 6: Final answer
    x = 25,489.87

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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.