Home / 37,287.74-51,467.19-21,987.65

Finding the Fourth Proportional to 37,287.74, 51,467.19 and 21,987.65

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Solution

The fourth proportional to 37,287.74, 51,467.19 and 21,987.65 is: 30,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.74 : 51,467.19 = 21,987.65 : x
  2. Step 2: Convert to fraction form
    37,287.74/51,467.19 = 21,987.65/x
  3. Step 3: Cross multiply
    37,287.74x = 51,467.19 × 21,987.65
  4. Step 4: Simplify right side
    37,287.74x = 1,131,642,560.20
  5. Step 5: Solve for x
    x = 1,131,642,560.20/37,287.74
  6. Step 6: Final answer
    x = 30,348.92

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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.