Home / 55,787.14-83,663.43-18,842.50

Finding the Fourth Proportional to 55,787.14, 83,663.43 and 18,842.50

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Solution

The fourth proportional to 55,787.14, 83,663.43 and 18,842.50 is: 28,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.14 : 83,663.43 = 18,842.50 : x
  2. Step 2: Convert to fraction form
    55,787.14/83,663.43 = 18,842.50/x
  3. Step 3: Cross multiply
    55,787.14x = 83,663.43 × 18,842.50
  4. Step 4: Simplify right side
    55,787.14x = 1,576,428,179.78
  5. Step 5: Solve for x
    x = 1,576,428,179.78/55,787.14
  6. Step 6: Final answer
    x = 28,257.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.