Home / 49,768.44-74,628.36-21,712.20

Finding the Fourth Proportional to 49,768.44, 74,628.36 and 21,712.20

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Solution

The fourth proportional to 49,768.44, 74,628.36 and 21,712.20 is: 32,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.44 : 74,628.36 = 21,712.20 : x
  2. Step 2: Convert to fraction form
    49,768.44/74,628.36 = 21,712.20/x
  3. Step 3: Cross multiply
    49,768.44x = 74,628.36 × 21,712.20
  4. Step 4: Simplify right side
    49,768.44x = 1,620,345,877.99
  5. Step 5: Solve for x
    x = 1,620,345,877.99/49,768.44
  6. Step 6: Final answer
    x = 32,557.70

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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.