Home / 64,249.20-96,374.84-19,875.47

Finding the Fourth Proportional to 64,249.20, 96,374.84 and 19,875.47

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Solution

The fourth proportional to 64,249.20, 96,374.84 and 19,875.47 is: 29,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,249.20 : 96,374.84 = 19,875.47 : x
  2. Step 2: Convert to fraction form
    64,249.20/96,374.84 = 19,875.47/x
  3. Step 3: Cross multiply
    64,249.20x = 96,374.84 × 19,875.47
  4. Step 4: Simplify right side
    64,249.20x = 1,915,494,659.92
  5. Step 5: Solve for x
    x = 1,915,494,659.92/64,249.20
  6. Step 6: Final answer
    x = 29,813.52

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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.