Home / 36,975.70-51,036.92-21,873.61

Finding the Fourth Proportional to 36,975.70, 51,036.92 and 21,873.61

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Solution

The fourth proportional to 36,975.70, 51,036.92 and 21,873.61 is: 30,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975.70 : 51,036.92 = 21,873.61 : x
  2. Step 2: Convert to fraction form
    36,975.70/51,036.92 = 21,873.61/x
  3. Step 3: Cross multiply
    36,975.70x = 51,036.92 × 21,873.61
  4. Step 4: Simplify right side
    36,975.70x = 1,116,361,610.77
  5. Step 5: Solve for x
    x = 1,116,361,610.77/36,975.70
  6. Step 6: Final answer
    x = 30,191.77

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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.