Home / 64,619.28-96,763.68-38,342.88

Finding the Fourth Proportional to 64,619.28, 96,763.68 and 38,342.88

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Solution

The fourth proportional to 64,619.28, 96,763.68 and 38,342.88 is: 57,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.28 : 96,763.68 = 38,342.88 : x
  2. Step 2: Convert to fraction form
    64,619.28/96,763.68 = 38,342.88/x
  3. Step 3: Cross multiply
    64,619.28x = 96,763.68 × 38,342.88
  4. Step 4: Simplify right side
    64,619.28x = 3,710,198,170.60
  5. Step 5: Solve for x
    x = 3,710,198,170.60/64,619.28
  6. Step 6: Final answer
    x = 57,416.27

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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.