Home / 42,480.36-63,733.50-21,718.44

Finding the Fourth Proportional to 42,480.36, 63,733.50 and 21,718.44

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Solution

The fourth proportional to 42,480.36, 63,733.50 and 21,718.44 is: 32,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,480.36 : 63,733.50 = 21,718.44 : x
  2. Step 2: Convert to fraction form
    42,480.36/63,733.50 = 21,718.44/x
  3. Step 3: Cross multiply
    42,480.36x = 63,733.50 × 21,718.44
  4. Step 4: Simplify right side
    42,480.36x = 1,384,192,195.74
  5. Step 5: Solve for x
    x = 1,384,192,195.74/42,480.36
  6. Step 6: Final answer
    x = 32,584.29

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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.