Home / 49,972.20-74,871.90-23,620.20

Finding the Fourth Proportional to 49,972.20, 74,871.90 and 23,620.20

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Solution

The fourth proportional to 49,972.20, 74,871.90 and 23,620.20 is: 35,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,972.20 : 74,871.90 = 23,620.20 : x
  2. Step 2: Convert to fraction form
    49,972.20/74,871.90 = 23,620.20/x
  3. Step 3: Cross multiply
    49,972.20x = 74,871.90 × 23,620.20
  4. Step 4: Simplify right side
    49,972.20x = 1,768,489,252.38
  5. Step 5: Solve for x
    x = 1,768,489,252.38/49,972.20
  6. Step 6: Final answer
    x = 35,389.46

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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.