Home / 32,421.28-48,493.68-19,910.56

Finding the Fourth Proportional to 32,421.28, 48,493.68 and 19,910.56

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Solution

The fourth proportional to 32,421.28, 48,493.68 and 19,910.56 is: 29,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.28 : 48,493.68 = 19,910.56 : x
  2. Step 2: Convert to fraction form
    32,421.28/48,493.68 = 19,910.56/x
  3. Step 3: Cross multiply
    32,421.28x = 48,493.68 × 19,910.56
  4. Step 4: Simplify right side
    32,421.28x = 965,536,325.26
  5. Step 5: Solve for x
    x = 965,536,325.26/32,421.28
  6. Step 6: Final answer
    x = 29,780.94

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1.5x scale

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.