Home / 64,246.40-96,378.78-19,876.94

Finding the Fourth Proportional to 64,246.40, 96,378.78 and 19,876.94

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Solution

The fourth proportional to 64,246.40, 96,378.78 and 19,876.94 is: 29,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.40 : 96,378.78 = 19,876.94 : x
  2. Step 2: Convert to fraction form
    64,246.40/96,378.78 = 19,876.94/x
  3. Step 3: Cross multiply
    64,246.40x = 96,378.78 × 19,876.94
  4. Step 4: Simplify right side
    64,246.40x = 1,915,715,227.33
  5. Step 5: Solve for x
    x = 1,915,715,227.33/64,246.40
  6. Step 6: Final answer
    x = 29,818.25

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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.