Home / 77,424.06-116,135.87-21,264.22

Finding the Fourth Proportional to 77,424.06, 116,135.87 and 21,264.22

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Solution

The fourth proportional to 77,424.06, 116,135.87 and 21,264.22 is: 31,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,424.06 : 116,135.87 = 21,264.22 : x
  2. Step 2: Convert to fraction form
    77,424.06/116,135.87 = 21,264.22/x
  3. Step 3: Cross multiply
    77,424.06x = 116,135.87 × 21,264.22
  4. Step 4: Simplify right side
    77,424.06x = 2,469,538,979.91
  5. Step 5: Solve for x
    x = 2,469,538,979.91/77,424.06
  6. Step 6: Final answer
    x = 31,896.27

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1.5x scale

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.