Home / 49,029.59-73,479.78-19,431.29

Finding the Fourth Proportional to 49,029.59, 73,479.78 and 19,431.29

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Solution

The fourth proportional to 49,029.59, 73,479.78 and 19,431.29 is: 29,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029.59 : 73,479.78 = 19,431.29 : x
  2. Step 2: Convert to fraction form
    49,029.59/73,479.78 = 19,431.29/x
  3. Step 3: Cross multiply
    49,029.59x = 73,479.78 × 19,431.29
  4. Step 4: Simplify right side
    49,029.59x = 1,427,807,098.02
  5. Step 5: Solve for x
    x = 1,427,807,098.02/49,029.59
  6. Step 6: Final answer
    x = 29,121.33

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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.