Home / 52,931.20-79,404.08-19,648.44

Finding the Fourth Proportional to 52,931.20, 79,404.08 and 19,648.44

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Solution

The fourth proportional to 52,931.20, 79,404.08 and 19,648.44 is: 29,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,931.20 : 79,404.08 = 19,648.44 : x
  2. Step 2: Convert to fraction form
    52,931.20/79,404.08 = 19,648.44/x
  3. Step 3: Cross multiply
    52,931.20x = 79,404.08 × 19,648.44
  4. Step 4: Simplify right side
    52,931.20x = 1,560,166,301.64
  5. Step 5: Solve for x
    x = 1,560,166,301.64/52,931.20
  6. Step 6: Final answer
    x = 29,475.36

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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.