Home / 51,436.92-77,161.59-18,150.15

Finding the Fourth Proportional to 51,436.92, 77,161.59 and 18,150.15

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Solution

The fourth proportional to 51,436.92, 77,161.59 and 18,150.15 is: 27,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.92 : 77,161.59 = 18,150.15 : x
  2. Step 2: Convert to fraction form
    51,436.92/77,161.59 = 18,150.15/x
  3. Step 3: Cross multiply
    51,436.92x = 77,161.59 × 18,150.15
  4. Step 4: Simplify right side
    51,436.92x = 1,400,494,432.74
  5. Step 5: Solve for x
    x = 1,400,494,432.74/51,436.92
  6. Step 6: Final answer
    x = 27,227.42

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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.