Home / 38,491.32-57,736.92-20,924.22

Finding the Fourth Proportional to 38,491.32, 57,736.92 and 20,924.22

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Solution

The fourth proportional to 38,491.32, 57,736.92 and 20,924.22 is: 31,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.32 : 57,736.92 = 20,924.22 : x
  2. Step 2: Convert to fraction form
    38,491.32/57,736.92 = 20,924.22/x
  3. Step 3: Cross multiply
    38,491.32x = 57,736.92 × 20,924.22
  4. Step 4: Simplify right side
    38,491.32x = 1,208,100,016.20
  5. Step 5: Solve for x
    x = 1,208,100,016.20/38,491.32
  6. Step 6: Final answer
    x = 31,386.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.