Home / 35,335.14-48,760.50-21,728.36

Finding the Fourth Proportional to 35,335.14, 48,760.50 and 21,728.36

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Solution

The fourth proportional to 35,335.14, 48,760.50 and 21,728.36 is: 29,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.14 : 48,760.50 = 21,728.36 : x
  2. Step 2: Convert to fraction form
    35,335.14/48,760.50 = 21,728.36/x
  3. Step 3: Cross multiply
    35,335.14x = 48,760.50 × 21,728.36
  4. Step 4: Simplify right side
    35,335.14x = 1,059,485,697.78
  5. Step 5: Solve for x
    x = 1,059,485,697.78/35,335.14
  6. Step 6: Final answer
    x = 29,983.91

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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.