Home / 64,538.26-96,803.91-20,159.92

Finding the Fourth Proportional to 64,538.26, 96,803.91 and 20,159.92

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Solution

The fourth proportional to 64,538.26, 96,803.91 and 20,159.92 is: 30,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.26 : 96,803.91 = 20,159.92 : x
  2. Step 2: Convert to fraction form
    64,538.26/96,803.91 = 20,159.92/x
  3. Step 3: Cross multiply
    64,538.26x = 96,803.91 × 20,159.92
  4. Step 4: Simplify right side
    64,538.26x = 1,951,559,081.29
  5. Step 5: Solve for x
    x = 1,951,559,081.29/64,538.26
  6. Step 6: Final answer
    x = 30,238.79

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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.