Home / 29,261.80-43,869.66-13,663.72

Finding the Fourth Proportional to 29,261.80, 43,869.66 and 13,663.72

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Solution

The fourth proportional to 29,261.80, 43,869.66 and 13,663.72 is: 20,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.80 : 43,869.66 = 13,663.72 : x
  2. Step 2: Convert to fraction form
    29,261.80/43,869.66 = 13,663.72/x
  3. Step 3: Cross multiply
    29,261.80x = 43,869.66 × 13,663.72
  4. Step 4: Simplify right side
    29,261.80x = 599,422,750.74
  5. Step 5: Solve for x
    x = 599,422,750.74/29,261.80
  6. Step 6: Final answer
    x = 20,484.82

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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.