Home / 51,124.48-76,698.08-19,960

Finding the Fourth Proportional to 51,124.48, 76,698.08 and 19,960

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Solution

The fourth proportional to 51,124.48, 76,698.08 and 19,960 is: 29,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124.48 : 76,698.08 = 19,960 : x
  2. Step 2: Convert to fraction form
    51,124.48/76,698.08 = 19,960/x
  3. Step 3: Cross multiply
    51,124.48x = 76,698.08 × 19,960
  4. Step 4: Simplify right side
    51,124.48x = 1,530,893,676.80
  5. Step 5: Solve for x
    x = 1,530,893,676.80/51,124.48
  6. Step 6: Final answer
    x = 29,944.44

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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.