Home / 37,021.29-51,086.22-21,911.28

Finding the Fourth Proportional to 37,021.29, 51,086.22 and 21,911.28

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Solution

The fourth proportional to 37,021.29, 51,086.22 and 21,911.28 is: 30,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,021.29 : 51,086.22 = 21,911.28 : x
  2. Step 2: Convert to fraction form
    37,021.29/51,086.22 = 21,911.28/x
  3. Step 3: Cross multiply
    37,021.29x = 51,086.22 × 21,911.28
  4. Step 4: Simplify right side
    37,021.29x = 1,119,364,470.56
  5. Step 5: Solve for x
    x = 1,119,364,470.56/37,021.29
  6. Step 6: Final answer
    x = 30,235.70

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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.