Home / 49,029.60-73,479.78-19,431.30

Finding the Fourth Proportional to 49,029.60, 73,479.78 and 19,431.30

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Solution

The fourth proportional to 49,029.60, 73,479.78 and 19,431.30 is: 29,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029.60 : 73,479.78 = 19,431.30 : x
  2. Step 2: Convert to fraction form
    49,029.60/73,479.78 = 19,431.30/x
  3. Step 3: Cross multiply
    49,029.60x = 73,479.78 × 19,431.30
  4. Step 4: Simplify right side
    49,029.60x = 1,427,807,649.11
  5. Step 5: Solve for x
    x = 1,427,807,649.11/49,029.60
  6. Step 6: Final answer
    x = 29,121.34

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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.