Home / 35,853.92-49,479.62-19,721.91

Finding the Fourth Proportional to 35,853.92, 49,479.62 and 19,721.91

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Solution

The fourth proportional to 35,853.92, 49,479.62 and 19,721.91 is: 27,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.92 : 49,479.62 = 19,721.91 : x
  2. Step 2: Convert to fraction form
    35,853.92/49,479.62 = 19,721.91/x
  3. Step 3: Cross multiply
    35,853.92x = 49,479.62 × 19,721.91
  4. Step 4: Simplify right side
    35,853.92x = 975,832,612.47
  5. Step 5: Solve for x
    x = 975,832,612.47/35,853.92
  6. Step 6: Final answer
    x = 27,216.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.