Home / 45,721.26-68,587.29-19,411.38

Finding the Fourth Proportional to 45,721.26, 68,587.29 and 19,411.38

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Solution

The fourth proportional to 45,721.26, 68,587.29 and 19,411.38 is: 29,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.26 : 68,587.29 = 19,411.38 : x
  2. Step 2: Convert to fraction form
    45,721.26/68,587.29 = 19,411.38/x
  3. Step 3: Cross multiply
    45,721.26x = 68,587.29 × 19,411.38
  4. Step 4: Simplify right side
    45,721.26x = 1,331,373,949.36
  5. Step 5: Solve for x
    x = 1,331,373,949.36/45,721.26
  6. Step 6: Final answer
    x = 29,119.36

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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.