Home / 55,948.64-83,905.54-18,500.31

Finding the Fourth Proportional to 55,948.64, 83,905.54 and 18,500.31

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Solution

The fourth proportional to 55,948.64, 83,905.54 and 18,500.31 is: 27,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.64 : 83,905.54 = 18,500.31 : x
  2. Step 2: Convert to fraction form
    55,948.64/83,905.54 = 18,500.31/x
  3. Step 3: Cross multiply
    55,948.64x = 83,905.54 × 18,500.31
  4. Step 4: Simplify right side
    55,948.64x = 1,552,278,454.47
  5. Step 5: Solve for x
    x = 1,552,278,454.47/55,948.64
  6. Step 6: Final answer
    x = 27,744.71

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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.