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Finding the Fourth Proportional to 67,124.48, 92,631.81 and 36,911.82

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Solution

The fourth proportional to 67,124.48, 92,631.81 and 36,911.82 is: 50,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.48 : 92,631.81 = 36,911.82 : x
  2. Step 2: Convert to fraction form
    67,124.48/92,631.81 = 36,911.82/x
  3. Step 3: Cross multiply
    67,124.48x = 92,631.81 × 36,911.82
  4. Step 4: Simplify right side
    67,124.48x = 3,419,208,696.99
  5. Step 5: Solve for x
    x = 3,419,208,696.99/67,124.48
  6. Step 6: Final answer
    x = 50,938.33

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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.