Home / 35,380.72-48,800.28-21,937.60

Finding the Fourth Proportional to 35,380.72, 48,800.28 and 21,937.60

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Solution

The fourth proportional to 35,380.72, 48,800.28 and 21,937.60 is: 30,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.72 : 48,800.28 = 21,937.60 : x
  2. Step 2: Convert to fraction form
    35,380.72/48,800.28 = 21,937.60/x
  3. Step 3: Cross multiply
    35,380.72x = 48,800.28 × 21,937.60
  4. Step 4: Simplify right side
    35,380.72x = 1,070,561,022.53
  5. Step 5: Solve for x
    x = 1,070,561,022.53/35,380.72
  6. Step 6: Final answer
    x = 30,258.32

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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.