Home / 64,245.40-96,377.28-19,875.94

Finding the Fourth Proportional to 64,245.40, 96,377.28 and 19,875.94

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Solution

The fourth proportional to 64,245.40, 96,377.28 and 19,875.94 is: 29,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.40 : 96,377.28 = 19,875.94 : x
  2. Step 2: Convert to fraction form
    64,245.40/96,377.28 = 19,875.94/x
  3. Step 3: Cross multiply
    64,245.40x = 96,377.28 × 19,875.94
  4. Step 4: Simplify right side
    64,245.40x = 1,915,589,034.64
  5. Step 5: Solve for x
    x = 1,915,589,034.64/64,245.40
  6. Step 6: Final answer
    x = 29,816.75

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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.