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Finding the Fourth Proportional to 56,512.69, 84,769.03 and 14,959.69

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Solution

The fourth proportional to 56,512.69, 84,769.03 and 14,959.69 is: 22,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.69 : 84,769.03 = 14,959.69 : x
  2. Step 2: Convert to fraction form
    56,512.69/84,769.03 = 14,959.69/x
  3. Step 3: Cross multiply
    56,512.69x = 84,769.03 × 14,959.69
  4. Step 4: Simplify right side
    56,512.69x = 1,268,118,217.18
  5. Step 5: Solve for x
    x = 1,268,118,217.18/56,512.69
  6. Step 6: Final answer
    x = 22,439.53

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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.