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Finding the Fourth Proportional to 29,914.92, 41,273.28 and 17,980.92

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Solution

The fourth proportional to 29,914.92, 41,273.28 and 17,980.92 is: 24,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,914.92 : 41,273.28 = 17,980.92 : x
  2. Step 2: Convert to fraction form
    29,914.92/41,273.28 = 17,980.92/x
  3. Step 3: Cross multiply
    29,914.92x = 41,273.28 × 17,980.92
  4. Step 4: Simplify right side
    29,914.92x = 742,131,545.82
  5. Step 5: Solve for x
    x = 742,131,545.82/29,914.92
  6. Step 6: Final answer
    x = 24,808.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.