Home / 51,429.88-77,152.20-15,894.31

Finding the Fourth Proportional to 51,429.88, 77,152.20 and 15,894.31

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Solution

The fourth proportional to 51,429.88, 77,152.20 and 15,894.31 is: 23,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,429.88 : 77,152.20 = 15,894.31 : x
  2. Step 2: Convert to fraction form
    51,429.88/77,152.20 = 15,894.31/x
  3. Step 3: Cross multiply
    51,429.88x = 77,152.20 × 15,894.31
  4. Step 4: Simplify right side
    51,429.88x = 1,226,280,983.98
  5. Step 5: Solve for x
    x = 1,226,280,983.98/51,429.88
  6. Step 6: Final answer
    x = 23,843.75

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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.