Home / 38,659.58-57,996.66-12,357.26

Finding the Fourth Proportional to 38,659.58, 57,996.66 and 12,357.26

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Solution

The fourth proportional to 38,659.58, 57,996.66 and 12,357.26 is: 18,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.58 : 57,996.66 = 12,357.26 : x
  2. Step 2: Convert to fraction form
    38,659.58/57,996.66 = 12,357.26/x
  3. Step 3: Cross multiply
    38,659.58x = 57,996.66 × 12,357.26
  4. Step 4: Simplify right side
    38,659.58x = 716,679,806.75
  5. Step 5: Solve for x
    x = 716,679,806.75/38,659.58
  6. Step 6: Final answer
    x = 18,538.22

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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.