Home / 69,721.26-96,215.94-37,890.15

Finding the Fourth Proportional to 69,721.26, 96,215.94 and 37,890.15

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Solution

The fourth proportional to 69,721.26, 96,215.94 and 37,890.15 is: 52,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.26 : 96,215.94 = 37,890.15 : x
  2. Step 2: Convert to fraction form
    69,721.26/96,215.94 = 37,890.15/x
  3. Step 3: Cross multiply
    69,721.26x = 96,215.94 × 37,890.15
  4. Step 4: Simplify right side
    69,721.26x = 3,645,636,398.99
  5. Step 5: Solve for x
    x = 3,645,636,398.99/69,721.26
  6. Step 6: Final answer
    x = 52,288.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.