Home / 49,743.18-74,612.34-18,576

Finding the Fourth Proportional to 49,743.18, 74,612.34 and 18,576

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Solution

The fourth proportional to 49,743.18, 74,612.34 and 18,576 is: 27,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,743.18 : 74,612.34 = 18,576 : x
  2. Step 2: Convert to fraction form
    49,743.18/74,612.34 = 18,576/x
  3. Step 3: Cross multiply
    49,743.18x = 74,612.34 × 18,576
  4. Step 4: Simplify right side
    49,743.18x = 1,385,998,827.84
  5. Step 5: Solve for x
    x = 1,385,998,827.84/49,743.18
  6. Step 6: Final answer
    x = 27,863.09

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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.