Home / 50,490.38-75,735.75-15,429.89

Finding the Fourth Proportional to 50,490.38, 75,735.75 and 15,429.89

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Solution

The fourth proportional to 50,490.38, 75,735.75 and 15,429.89 is: 23,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.38 : 75,735.75 = 15,429.89 : x
  2. Step 2: Convert to fraction form
    50,490.38/75,735.75 = 15,429.89/x
  3. Step 3: Cross multiply
    50,490.38x = 75,735.75 × 15,429.89
  4. Step 4: Simplify right side
    50,490.38x = 1,168,594,291.57
  5. Step 5: Solve for x
    x = 1,168,594,291.57/50,490.38
  6. Step 6: Final answer
    x = 23,144.89

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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.