Home / 41,178.60-61,769.10-14,878.68

Finding the Fourth Proportional to 41,178.60, 61,769.10 and 14,878.68

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Solution

The fourth proportional to 41,178.60, 61,769.10 and 14,878.68 is: 22,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,178.60 : 61,769.10 = 14,878.68 : x
  2. Step 2: Convert to fraction form
    41,178.60/61,769.10 = 14,878.68/x
  3. Step 3: Cross multiply
    41,178.60x = 61,769.10 × 14,878.68
  4. Step 4: Simplify right side
    41,178.60x = 919,042,672.79
  5. Step 5: Solve for x
    x = 919,042,672.79/41,178.60
  6. Step 6: Final answer
    x = 22,318.45

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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.