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Finding the Fourth Proportional to 49,491.92, 74,186.04 and 19,902.80

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Solution

The fourth proportional to 49,491.92, 74,186.04 and 19,902.80 is: 29,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491.92 : 74,186.04 = 19,902.80 : x
  2. Step 2: Convert to fraction form
    49,491.92/74,186.04 = 19,902.80/x
  3. Step 3: Cross multiply
    49,491.92x = 74,186.04 × 19,902.80
  4. Step 4: Simplify right side
    49,491.92x = 1,476,509,916.91
  5. Step 5: Solve for x
    x = 1,476,509,916.91/49,491.92
  6. Step 6: Final answer
    x = 29,833.35

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1.5x scale

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.