Home / 49,145.31-73,734.30-19,555.20

Finding the Fourth Proportional to 49,145.31, 73,734.30 and 19,555.20

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Solution

The fourth proportional to 49,145.31, 73,734.30 and 19,555.20 is: 29,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.31 : 73,734.30 = 19,555.20 : x
  2. Step 2: Convert to fraction form
    49,145.31/73,734.30 = 19,555.20/x
  3. Step 3: Cross multiply
    49,145.31x = 73,734.30 × 19,555.20
  4. Step 4: Simplify right side
    49,145.31x = 1,441,888,983.36
  5. Step 5: Solve for x
    x = 1,441,888,983.36/49,145.31
  6. Step 6: Final answer
    x = 29,339.30

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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.