Home / 51,639.64-70,798.61-50,706.52

Finding the Fourth Proportional to 51,639.64, 70,798.61 and 50,706.52

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Solution

The fourth proportional to 51,639.64, 70,798.61 and 50,706.52 is: 69,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.64 : 70,798.61 = 50,706.52 : x
  2. Step 2: Convert to fraction form
    51,639.64/70,798.61 = 50,706.52/x
  3. Step 3: Cross multiply
    51,639.64x = 70,798.61 × 50,706.52
  4. Step 4: Simplify right side
    51,639.64x = 3,589,951,133.94
  5. Step 5: Solve for x
    x = 3,589,951,133.94/51,639.64
  6. Step 6: Final answer
    x = 69,519.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.