Home / 55,930.96-83,909.57-18,491.02

Finding the Fourth Proportional to 55,930.96, 83,909.57 and 18,491.02

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Solution

The fourth proportional to 55,930.96, 83,909.57 and 18,491.02 is: 27,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.96 : 83,909.57 = 18,491.02 : x
  2. Step 2: Convert to fraction form
    55,930.96/83,909.57 = 18,491.02/x
  3. Step 3: Cross multiply
    55,930.96x = 83,909.57 × 18,491.02
  4. Step 4: Simplify right side
    55,930.96x = 1,551,573,537.06
  5. Step 5: Solve for x
    x = 1,551,573,537.06/55,930.96
  6. Step 6: Final answer
    x = 27,740.87

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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.