Home / 35,856.12-49,481.10-19,939.80

Finding the Fourth Proportional to 35,856.12, 49,481.10 and 19,939.80

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Solution

The fourth proportional to 35,856.12, 49,481.10 and 19,939.80 is: 27,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.12 : 49,481.10 = 19,939.80 : x
  2. Step 2: Convert to fraction form
    35,856.12/49,481.10 = 19,939.80/x
  3. Step 3: Cross multiply
    35,856.12x = 49,481.10 × 19,939.80
  4. Step 4: Simplify right side
    35,856.12x = 986,643,237.78
  5. Step 5: Solve for x
    x = 986,643,237.78/35,856.12
  6. Step 6: Final answer
    x = 27,516.73

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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.