Home / 37,081.29-51,171.09-20,949.36

Finding the Fourth Proportional to 37,081.29, 51,171.09 and 20,949.36

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Solution

The fourth proportional to 37,081.29, 51,171.09 and 20,949.36 is: 28,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.29 : 51,171.09 = 20,949.36 : x
  2. Step 2: Convert to fraction form
    37,081.29/51,171.09 = 20,949.36/x
  3. Step 3: Cross multiply
    37,081.29x = 51,171.09 × 20,949.36
  4. Step 4: Simplify right side
    37,081.29x = 1,072,001,577.31
  5. Step 5: Solve for x
    x = 1,072,001,577.31/37,081.29
  6. Step 6: Final answer
    x = 28,909.50

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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.