Home / 49,438.82-74,161.64-19,856.63

Finding the Fourth Proportional to 49,438.82, 74,161.64 and 19,856.63

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Solution

The fourth proportional to 49,438.82, 74,161.64 and 19,856.63 is: 29,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.82 : 74,161.64 = 19,856.63 : x
  2. Step 2: Convert to fraction form
    49,438.82/74,161.64 = 19,856.63/x
  3. Step 3: Cross multiply
    49,438.82x = 74,161.64 × 19,856.63
  4. Step 4: Simplify right side
    49,438.82x = 1,472,600,480.72
  5. Step 5: Solve for x
    x = 1,472,600,480.72/49,438.82
  6. Step 6: Final answer
    x = 29,786.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.