Home / 50,021.38-74,949-35,199.28

Finding the Fourth Proportional to 50,021.38, 74,949 and 35,199.28

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Solution

The fourth proportional to 50,021.38, 74,949 and 35,199.28 is: 52,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.38 : 74,949 = 35,199.28 : x
  2. Step 2: Convert to fraction form
    50,021.38/74,949 = 35,199.28/x
  3. Step 3: Cross multiply
    50,021.38x = 74,949 × 35,199.28
  4. Step 4: Simplify right side
    50,021.38x = 2,638,150,836.72
  5. Step 5: Solve for x
    x = 2,638,150,836.72/50,021.38
  6. Step 6: Final answer
    x = 52,740.46

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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.