Home / 35,506.30-48,997.05-20,388.32

Finding the Fourth Proportional to 35,506.30, 48,997.05 and 20,388.32

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Solution

The fourth proportional to 35,506.30, 48,997.05 and 20,388.32 is: 28,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,506.30 : 48,997.05 = 20,388.32 : x
  2. Step 2: Convert to fraction form
    35,506.30/48,997.05 = 20,388.32/x
  3. Step 3: Cross multiply
    35,506.30x = 48,997.05 × 20,388.32
  4. Step 4: Simplify right side
    35,506.30x = 998,967,787.05
  5. Step 5: Solve for x
    x = 998,967,787.05/35,506.30
  6. Step 6: Final answer
    x = 28,134.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.