Home / 49,452.87-74,182.73-19,870.74

Finding the Fourth Proportional to 49,452.87, 74,182.73 and 19,870.74

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Solution

The fourth proportional to 49,452.87, 74,182.73 and 19,870.74 is: 29,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,452.87 : 74,182.73 = 19,870.74 : x
  2. Step 2: Convert to fraction form
    49,452.87/74,182.73 = 19,870.74/x
  3. Step 3: Cross multiply
    49,452.87x = 74,182.73 × 19,870.74
  4. Step 4: Simplify right side
    49,452.87x = 1,474,065,640.97
  5. Step 5: Solve for x
    x = 1,474,065,640.97/49,452.87
  6. Step 6: Final answer
    x = 29,807.48

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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.