Home / 45,348.78-67,953.96-19,039.26

Finding the Fourth Proportional to 45,348.78, 67,953.96 and 19,039.26

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Solution

The fourth proportional to 45,348.78, 67,953.96 and 19,039.26 is: 28,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.78 : 67,953.96 = 19,039.26 : x
  2. Step 2: Convert to fraction form
    45,348.78/67,953.96 = 19,039.26/x
  3. Step 3: Cross multiply
    45,348.78x = 67,953.96 × 19,039.26
  4. Step 4: Simplify right side
    45,348.78x = 1,293,793,112.47
  5. Step 5: Solve for x
    x = 1,293,793,112.47/45,348.78
  6. Step 6: Final answer
    x = 28,529.83

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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.