Home / 35,277.96-48,680.04-21,130.44

Finding the Fourth Proportional to 35,277.96, 48,680.04 and 21,130.44

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Solution

The fourth proportional to 35,277.96, 48,680.04 and 21,130.44 is: 29,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.96 : 48,680.04 = 21,130.44 : x
  2. Step 2: Convert to fraction form
    35,277.96/48,680.04 = 21,130.44/x
  3. Step 3: Cross multiply
    35,277.96x = 48,680.04 × 21,130.44
  4. Step 4: Simplify right side
    35,277.96x = 1,028,630,664.42
  5. Step 5: Solve for x
    x = 1,028,630,664.42/35,277.96
  6. Step 6: Final answer
    x = 29,157.88

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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.