Home / 52,838.31-79,262.37-19,112.76

Finding the Fourth Proportional to 52,838.31, 79,262.37 and 19,112.76

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Solution

The fourth proportional to 52,838.31, 79,262.37 and 19,112.76 is: 28,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.31 : 79,262.37 = 19,112.76 : x
  2. Step 2: Convert to fraction form
    52,838.31/79,262.37 = 19,112.76/x
  3. Step 3: Cross multiply
    52,838.31x = 79,262.37 × 19,112.76
  4. Step 4: Simplify right side
    52,838.31x = 1,514,922,654.84
  5. Step 5: Solve for x
    x = 1,514,922,654.84/52,838.31
  6. Step 6: Final answer
    x = 28,670.91

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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.