Home / 36,438.26-50,284.90-21,127.77

Finding the Fourth Proportional to 36,438.26, 50,284.90 and 21,127.77

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Solution

The fourth proportional to 36,438.26, 50,284.90 and 21,127.77 is: 29,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.26 : 50,284.90 = 21,127.77 : x
  2. Step 2: Convert to fraction form
    36,438.26/50,284.90 = 21,127.77/x
  3. Step 3: Cross multiply
    36,438.26x = 50,284.90 × 21,127.77
  4. Step 4: Simplify right side
    36,438.26x = 1,062,407,696.03
  5. Step 5: Solve for x
    x = 1,062,407,696.03/36,438.26
  6. Step 6: Final answer
    x = 29,156.38

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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.