Home / 51,639.28-71,284.26-43,722.88

Finding the Fourth Proportional to 51,639.28, 71,284.26 and 43,722.88

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Solution

The fourth proportional to 51,639.28, 71,284.26 and 43,722.88 is: 60,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.28 : 71,284.26 = 43,722.88 : x
  2. Step 2: Convert to fraction form
    51,639.28/71,284.26 = 43,722.88/x
  3. Step 3: Cross multiply
    51,639.28x = 71,284.26 × 43,722.88
  4. Step 4: Simplify right side
    51,639.28x = 3,116,753,145.87
  5. Step 5: Solve for x
    x = 3,116,753,145.87/51,639.28
  6. Step 6: Final answer
    x = 60,356.25

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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.