Home / 35,233.79-48,620.63-20,125.55

Finding the Fourth Proportional to 35,233.79, 48,620.63 and 20,125.55

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Solution

The fourth proportional to 35,233.79, 48,620.63 and 20,125.55 is: 27,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,233.79 : 48,620.63 = 20,125.55 : x
  2. Step 2: Convert to fraction form
    35,233.79/48,620.63 = 20,125.55/x
  3. Step 3: Cross multiply
    35,233.79x = 48,620.63 × 20,125.55
  4. Step 4: Simplify right side
    35,233.79x = 978,517,091.96
  5. Step 5: Solve for x
    x = 978,517,091.96/35,233.79
  6. Step 6: Final answer
    x = 27,772.13

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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.