Home / 36,778.36-50,752.64-20,862.47

Finding the Fourth Proportional to 36,778.36, 50,752.64 and 20,862.47

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Solution

The fourth proportional to 36,778.36, 50,752.64 and 20,862.47 is: 28,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.36 : 50,752.64 = 20,862.47 : x
  2. Step 2: Convert to fraction form
    36,778.36/50,752.64 = 20,862.47/x
  3. Step 3: Cross multiply
    36,778.36x = 50,752.64 × 20,862.47
  4. Step 4: Simplify right side
    36,778.36x = 1,058,825,175.66
  5. Step 5: Solve for x
    x = 1,058,825,175.66/36,778.36
  6. Step 6: Final answer
    x = 28,789.35

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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.