Home / 53,107.26-79,642.33-15,657.39

Finding the Fourth Proportional to 53,107.26, 79,642.33 and 15,657.39

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Solution

The fourth proportional to 53,107.26, 79,642.33 and 15,657.39 is: 23,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.26 : 79,642.33 = 15,657.39 : x
  2. Step 2: Convert to fraction form
    53,107.26/79,642.33 = 15,657.39/x
  3. Step 3: Cross multiply
    53,107.26x = 79,642.33 × 15,657.39
  4. Step 4: Simplify right side
    53,107.26x = 1,246,990,982.18
  5. Step 5: Solve for x
    x = 1,246,990,982.18/53,107.26
  6. Step 6: Final answer
    x = 23,480.61

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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.