Home / 45,721.26-63,112.77-29,809.62

Finding the Fourth Proportional to 45,721.26, 63,112.77 and 29,809.62

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Solution

The fourth proportional to 45,721.26, 63,112.77 and 29,809.62 is: 41,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.26 : 63,112.77 = 29,809.62 : x
  2. Step 2: Convert to fraction form
    45,721.26/63,112.77 = 29,809.62/x
  3. Step 3: Cross multiply
    45,721.26x = 63,112.77 × 29,809.62
  4. Step 4: Simplify right side
    45,721.26x = 1,881,367,690.85
  5. Step 5: Solve for x
    x = 1,881,367,690.85/45,721.26
  6. Step 6: Final answer
    x = 41,148.64

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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.