Home / 45,578.17-68,358.60-19,301.36

Finding the Fourth Proportional to 45,578.17, 68,358.60 and 19,301.36

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Solution

The fourth proportional to 45,578.17, 68,358.60 and 19,301.36 is: 28,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.17 : 68,358.60 = 19,301.36 : x
  2. Step 2: Convert to fraction form
    45,578.17/68,358.60 = 19,301.36/x
  3. Step 3: Cross multiply
    45,578.17x = 68,358.60 × 19,301.36
  4. Step 4: Simplify right side
    45,578.17x = 1,319,413,947.70
  5. Step 5: Solve for x
    x = 1,319,413,947.70/45,578.17
  6. Step 6: Final answer
    x = 28,948.37

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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.