Home / 32,149.99-48,029.45-20,812.96

Finding the Fourth Proportional to 32,149.99, 48,029.45 and 20,812.96

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Solution

The fourth proportional to 32,149.99, 48,029.45 and 20,812.96 is: 31,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,149.99 : 48,029.45 = 20,812.96 : x
  2. Step 2: Convert to fraction form
    32,149.99/48,029.45 = 20,812.96/x
  3. Step 3: Cross multiply
    32,149.99x = 48,029.45 × 20,812.96
  4. Step 4: Simplify right side
    32,149.99x = 999,635,021.67
  5. Step 5: Solve for x
    x = 999,635,021.67/32,149.99
  6. Step 6: Final answer
    x = 31,092.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.