Home / 33,155.81-49,734.24-18,458.15

Finding the Fourth Proportional to 33,155.81, 49,734.24 and 18,458.15

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Solution

The fourth proportional to 33,155.81, 49,734.24 and 18,458.15 is: 27,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.81 : 49,734.24 = 18,458.15 : x
  2. Step 2: Convert to fraction form
    33,155.81/49,734.24 = 18,458.15/x
  3. Step 3: Cross multiply
    33,155.81x = 49,734.24 × 18,458.15
  4. Step 4: Simplify right side
    33,155.81x = 918,001,744.17
  5. Step 5: Solve for x
    x = 918,001,744.17/33,155.81
  6. Step 6: Final answer
    x = 27,687.51

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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.