Home / 49,458.87-74,143.35-18,272.25

Finding the Fourth Proportional to 49,458.87, 74,143.35 and 18,272.25

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Solution

The fourth proportional to 49,458.87, 74,143.35 and 18,272.25 is: 27,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,458.87 : 74,143.35 = 18,272.25 : x
  2. Step 2: Convert to fraction form
    49,458.87/74,143.35 = 18,272.25/x
  3. Step 3: Cross multiply
    49,458.87x = 74,143.35 × 18,272.25
  4. Step 4: Simplify right side
    49,458.87x = 1,354,765,827.04
  5. Step 5: Solve for x
    x = 1,354,765,827.04/49,458.87
  6. Step 6: Final answer
    x = 27,391.77

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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.