Home / 56,358.96-84,575.35-21,298.62

Finding the Fourth Proportional to 56,358.96, 84,575.35 and 21,298.62

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Solution

The fourth proportional to 56,358.96, 84,575.35 and 21,298.62 is: 31,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.96 : 84,575.35 = 21,298.62 : x
  2. Step 2: Convert to fraction form
    56,358.96/84,575.35 = 21,298.62/x
  3. Step 3: Cross multiply
    56,358.96x = 84,575.35 × 21,298.62
  4. Step 4: Simplify right side
    56,358.96x = 1,801,338,241.02
  5. Step 5: Solve for x
    x = 1,801,338,241.02/56,358.96
  6. Step 6: Final answer
    x = 31,961.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.