Home / 35,129.20-48,482.94-20,027.32

Finding the Fourth Proportional to 35,129.20, 48,482.94 and 20,027.32

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Solution

The fourth proportional to 35,129.20, 48,482.94 and 20,027.32 is: 27,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.20 : 48,482.94 = 20,027.32 : x
  2. Step 2: Convert to fraction form
    35,129.20/48,482.94 = 20,027.32/x
  3. Step 3: Cross multiply
    35,129.20x = 48,482.94 × 20,027.32
  4. Step 4: Simplify right side
    35,129.20x = 970,983,353.92
  5. Step 5: Solve for x
    x = 970,983,353.92/35,129.20
  6. Step 6: Final answer
    x = 27,640.35

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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.