Home / 58,228.38-87,359.58-18,784.62

Finding the Fourth Proportional to 58,228.38, 87,359.58 and 18,784.62

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Solution

The fourth proportional to 58,228.38, 87,359.58 and 18,784.62 is: 28,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.38 : 87,359.58 = 18,784.62 : x
  2. Step 2: Convert to fraction form
    58,228.38/87,359.58 = 18,784.62/x
  3. Step 3: Cross multiply
    58,228.38x = 87,359.58 × 18,784.62
  4. Step 4: Simplify right side
    58,228.38x = 1,641,016,513.66
  5. Step 5: Solve for x
    x = 1,641,016,513.66/58,228.38
  6. Step 6: Final answer
    x = 28,182.42

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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.