Home / 35,230.56-48,619.20-20,125.44

Finding the Fourth Proportional to 35,230.56, 48,619.20 and 20,125.44

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Solution

The fourth proportional to 35,230.56, 48,619.20 and 20,125.44 is: 27,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.56 : 48,619.20 = 20,125.44 : x
  2. Step 2: Convert to fraction form
    35,230.56/48,619.20 = 20,125.44/x
  3. Step 3: Cross multiply
    35,230.56x = 48,619.20 × 20,125.44
  4. Step 4: Simplify right side
    35,230.56x = 978,482,792.45
  5. Step 5: Solve for x
    x = 978,482,792.45/35,230.56
  6. Step 6: Final answer
    x = 27,773.69

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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.