Home / 30,471.18-42,050.55-17,896.14

Finding the Fourth Proportional to 30,471.18, 42,050.55 and 17,896.14

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Solution

The fourth proportional to 30,471.18, 42,050.55 and 17,896.14 is: 24,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.18 : 42,050.55 = 17,896.14 : x
  2. Step 2: Convert to fraction form
    30,471.18/42,050.55 = 17,896.14/x
  3. Step 3: Cross multiply
    30,471.18x = 42,050.55 × 17,896.14
  4. Step 4: Simplify right side
    30,471.18x = 752,542,529.88
  5. Step 5: Solve for x
    x = 752,542,529.88/30,471.18
  6. Step 6: Final answer
    x = 24,696.86

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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.