Home / 35,238.43-48,630.18-20,127.88

Finding the Fourth Proportional to 35,238.43, 48,630.18 and 20,127.88

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Solution

The fourth proportional to 35,238.43, 48,630.18 and 20,127.88 is: 27,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,238.43 : 48,630.18 = 20,127.88 : x
  2. Step 2: Convert to fraction form
    35,238.43/48,630.18 = 20,127.88/x
  3. Step 3: Cross multiply
    35,238.43x = 48,630.18 × 20,127.88
  4. Step 4: Simplify right side
    35,238.43x = 978,822,427.42
  5. Step 5: Solve for x
    x = 978,822,427.42/35,238.43
  6. Step 6: Final answer
    x = 27,777.13

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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.