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Finding the Fourth Proportional to 52,394.45, 78,547.59 and 22,789.99

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Solution

The fourth proportional to 52,394.45, 78,547.59 and 22,789.99 is: 34,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.45 : 78,547.59 = 22,789.99 : x
  2. Step 2: Convert to fraction form
    52,394.45/78,547.59 = 22,789.99/x
  3. Step 3: Cross multiply
    52,394.45x = 78,547.59 × 22,789.99
  4. Step 4: Simplify right side
    52,394.45x = 1,790,098,790.62
  5. Step 5: Solve for x
    x = 1,790,098,790.62/52,394.45
  6. Step 6: Final answer
    x = 34,165.81

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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.