Home / 51,128.87-76,704.30-25,497.17

Finding the Fourth Proportional to 51,128.87, 76,704.30 and 25,497.17

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Solution

The fourth proportional to 51,128.87, 76,704.30 and 25,497.17 is: 38,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.87 : 76,704.30 = 25,497.17 : x
  2. Step 2: Convert to fraction form
    51,128.87/76,704.30 = 25,497.17/x
  3. Step 3: Cross multiply
    51,128.87x = 76,704.30 × 25,497.17
  4. Step 4: Simplify right side
    51,128.87x = 1,955,742,193.31
  5. Step 5: Solve for x
    x = 1,955,742,193.31/51,128.87
  6. Step 6: Final answer
    x = 38,251.23

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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.