Home / 35,104.08-48,443.72-20,956.60

Finding the Fourth Proportional to 35,104.08, 48,443.72 and 20,956.60

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Solution

The fourth proportional to 35,104.08, 48,443.72 and 20,956.60 is: 28,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,104.08 : 48,443.72 = 20,956.60 : x
  2. Step 2: Convert to fraction form
    35,104.08/48,443.72 = 20,956.60/x
  3. Step 3: Cross multiply
    35,104.08x = 48,443.72 × 20,956.60
  4. Step 4: Simplify right side
    35,104.08x = 1,015,215,662.55
  5. Step 5: Solve for x
    x = 1,015,215,662.55/35,104.08
  6. Step 6: Final answer
    x = 28,920.16

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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.