Home / 35,171.78-48,540.96-20,068.18

Finding the Fourth Proportional to 35,171.78, 48,540.96 and 20,068.18

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Solution

The fourth proportional to 35,171.78, 48,540.96 and 20,068.18 is: 27,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,171.78 : 48,540.96 = 20,068.18 : x
  2. Step 2: Convert to fraction form
    35,171.78/48,540.96 = 20,068.18/x
  3. Step 3: Cross multiply
    35,171.78x = 48,540.96 × 20,068.18
  4. Step 4: Simplify right side
    35,171.78x = 974,128,601.30
  5. Step 5: Solve for x
    x = 974,128,601.30/35,171.78
  6. Step 6: Final answer
    x = 27,696.31

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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.