Home / 38,496.69-57,764.19-21,619.23

Finding the Fourth Proportional to 38,496.69, 57,764.19 and 21,619.23

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Solution

The fourth proportional to 38,496.69, 57,764.19 and 21,619.23 is: 32,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.69 : 57,764.19 = 21,619.23 : x
  2. Step 2: Convert to fraction form
    38,496.69/57,764.19 = 21,619.23/x
  3. Step 3: Cross multiply
    38,496.69x = 57,764.19 × 21,619.23
  4. Step 4: Simplify right side
    38,496.69x = 1,248,817,309.37
  5. Step 5: Solve for x
    x = 1,248,817,309.37/38,496.69
  6. Step 6: Final answer
    x = 32,439.60

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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.