Home / 51,680.32-77,439.84-41,289.28

Finding the Fourth Proportional to 51,680.32, 77,439.84 and 41,289.28

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Solution

The fourth proportional to 51,680.32, 77,439.84 and 41,289.28 is: 61,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.32 : 77,439.84 = 41,289.28 : x
  2. Step 2: Convert to fraction form
    51,680.32/77,439.84 = 41,289.28/x
  3. Step 3: Cross multiply
    51,680.32x = 77,439.84 × 41,289.28
  4. Step 4: Simplify right side
    51,680.32x = 3,197,435,236.92
  5. Step 5: Solve for x
    x = 3,197,435,236.92/51,680.32
  6. Step 6: Final answer
    x = 61,869.49

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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.