Home / 50,790.60-76,192.98-21,201.66

Finding the Fourth Proportional to 50,790.60, 76,192.98 and 21,201.66

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Solution

The fourth proportional to 50,790.60, 76,192.98 and 21,201.66 is: 31,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,790.60 : 76,192.98 = 21,201.66 : x
  2. Step 2: Convert to fraction form
    50,790.60/76,192.98 = 21,201.66/x
  3. Step 3: Cross multiply
    50,790.60x = 76,192.98 × 21,201.66
  4. Step 4: Simplify right side
    50,790.60x = 1,615,417,656.35
  5. Step 5: Solve for x
    x = 1,615,417,656.35/50,790.60
  6. Step 6: Final answer
    x = 31,805.45

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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.