Home / 37,260.91-51,419.81-21,131.29

Finding the Fourth Proportional to 37,260.91, 51,419.81 and 21,131.29

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Solution

The fourth proportional to 37,260.91, 51,419.81 and 21,131.29 is: 29,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260.91 : 51,419.81 = 21,131.29 : x
  2. Step 2: Convert to fraction form
    37,260.91/51,419.81 = 21,131.29/x
  3. Step 3: Cross multiply
    37,260.91x = 51,419.81 × 21,131.29
  4. Step 4: Simplify right side
    37,260.91x = 1,086,566,554.10
  5. Step 5: Solve for x
    x = 1,086,566,554.10/37,260.91
  6. Step 6: Final answer
    x = 29,161.03

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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.