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Finding the Fourth Proportional to 39,018, 58,527 and 11,316.24

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Solution

The fourth proportional to 39,018, 58,527 and 11,316.24 is: 16,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018 : 58,527 = 11,316.24 : x
  2. Step 2: Convert to fraction form
    39,018/58,527 = 11,316.24/x
  3. Step 3: Cross multiply
    39,018x = 58,527 × 11,316.24
  4. Step 4: Simplify right side
    39,018x = 662,305,578.48
  5. Step 5: Solve for x
    x = 662,305,578.48/39,018
  6. Step 6: Final answer
    x = 16,974.36

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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.