Home / 37,619.20-51,923.82-21,713.20

Finding the Fourth Proportional to 37,619.20, 51,923.82 and 21,713.20

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Solution

The fourth proportional to 37,619.20, 51,923.82 and 21,713.20 is: 29,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.20 : 51,923.82 = 21,713.20 : x
  2. Step 2: Convert to fraction form
    37,619.20/51,923.82 = 21,713.20/x
  3. Step 3: Cross multiply
    37,619.20x = 51,923.82 × 21,713.20
  4. Step 4: Simplify right side
    37,619.20x = 1,127,432,288.42
  5. Step 5: Solve for x
    x = 1,127,432,288.42/37,619.20
  6. Step 6: Final answer
    x = 29,969.60

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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.