Home / 37,421.43-51,642.48-21,291.36

Finding the Fourth Proportional to 37,421.43, 51,642.48 and 21,291.36

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Solution

The fourth proportional to 37,421.43, 51,642.48 and 21,291.36 is: 29,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.43 : 51,642.48 = 21,291.36 : x
  2. Step 2: Convert to fraction form
    37,421.43/51,642.48 = 21,291.36/x
  3. Step 3: Cross multiply
    37,421.43x = 51,642.48 × 21,291.36
  4. Step 4: Simplify right side
    37,421.43x = 1,099,538,632.97
  5. Step 5: Solve for x
    x = 1,099,538,632.97/37,421.43
  6. Step 6: Final answer
    x = 29,382.59

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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.