Home / 29,926.60-44,987.10-21,221.80

Finding the Fourth Proportional to 29,926.60, 44,987.10 and 21,221.80

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Solution

The fourth proportional to 29,926.60, 44,987.10 and 21,221.80 is: 31,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,926.60 : 44,987.10 = 21,221.80 : x
  2. Step 2: Convert to fraction form
    29,926.60/44,987.10 = 21,221.80/x
  3. Step 3: Cross multiply
    29,926.60x = 44,987.10 × 21,221.80
  4. Step 4: Simplify right side
    29,926.60x = 954,707,238.78
  5. Step 5: Solve for x
    x = 954,707,238.78/29,926.60
  6. Step 6: Final answer
    x = 31,901.63

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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.