Home / 38,100.26-52,578.78-21,104.76

Finding the Fourth Proportional to 38,100.26, 52,578.78 and 21,104.76

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Solution

The fourth proportional to 38,100.26, 52,578.78 and 21,104.76 is: 29,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.26 : 52,578.78 = 21,104.76 : x
  2. Step 2: Convert to fraction form
    38,100.26/52,578.78 = 21,104.76/x
  3. Step 3: Cross multiply
    38,100.26x = 52,578.78 × 21,104.76
  4. Step 4: Simplify right side
    38,100.26x = 1,109,662,651.02
  5. Step 5: Solve for x
    x = 1,109,662,651.02/38,100.26
  6. Step 6: Final answer
    x = 29,124.80

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1.5x scale

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.