Home / 43,291.77-64,944.49-18,331.98

Finding the Fourth Proportional to 43,291.77, 64,944.49 and 18,331.98

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Solution

The fourth proportional to 43,291.77, 64,944.49 and 18,331.98 is: 27,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.77 : 64,944.49 = 18,331.98 : x
  2. Step 2: Convert to fraction form
    43,291.77/64,944.49 = 18,331.98/x
  3. Step 3: Cross multiply
    43,291.77x = 64,944.49 × 18,331.98
  4. Step 4: Simplify right side
    43,291.77x = 1,190,560,888.35
  5. Step 5: Solve for x
    x = 1,190,560,888.35/43,291.77
  6. Step 6: Final answer
    x = 27,500.86

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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.