Home / 49,933.80-74,900.70-30,202.20

Finding the Fourth Proportional to 49,933.80, 74,900.70 and 30,202.20

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Solution

The fourth proportional to 49,933.80, 74,900.70 and 30,202.20 is: 45,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,933.80 : 74,900.70 = 30,202.20 : x
  2. Step 2: Convert to fraction form
    49,933.80/74,900.70 = 30,202.20/x
  3. Step 3: Cross multiply
    49,933.80x = 74,900.70 × 30,202.20
  4. Step 4: Simplify right side
    49,933.80x = 2,262,165,921.54
  5. Step 5: Solve for x
    x = 2,262,165,921.54/49,933.80
  6. Step 6: Final answer
    x = 45,303.30

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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.