Home / 24,108.20-36,114.30-21,221.80

Finding the Fourth Proportional to 24,108.20, 36,114.30 and 21,221.80

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Solution

The fourth proportional to 24,108.20, 36,114.30 and 21,221.80 is: 31,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,108.20 : 36,114.30 = 21,221.80 : x
  2. Step 2: Convert to fraction form
    24,108.20/36,114.30 = 21,221.80/x
  3. Step 3: Cross multiply
    24,108.20x = 36,114.30 × 21,221.80
  4. Step 4: Simplify right side
    24,108.20x = 766,410,451.74
  5. Step 5: Solve for x
    x = 766,410,451.74/24,108.20
  6. Step 6: Final answer
    x = 31,790.45

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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.