Home / 30,568.44-42,204.96-19,100.76

Finding the Fourth Proportional to 30,568.44, 42,204.96 and 19,100.76

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Solution

The fourth proportional to 30,568.44, 42,204.96 and 19,100.76 is: 26,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.44 : 42,204.96 = 19,100.76 : x
  2. Step 2: Convert to fraction form
    30,568.44/42,204.96 = 19,100.76/x
  3. Step 3: Cross multiply
    30,568.44x = 42,204.96 × 19,100.76
  4. Step 4: Simplify right side
    30,568.44x = 806,146,811.77
  5. Step 5: Solve for x
    x = 806,146,811.77/30,568.44
  6. Step 6: Final answer
    x = 26,371.87

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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.