Home / 77,456.32-116,188.80-22,048

Finding the Fourth Proportional to 77,456.32, 116,188.80 and 22,048

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Solution

The fourth proportional to 77,456.32, 116,188.80 and 22,048 is: 33,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,456.32 : 116,188.80 = 22,048 : x
  2. Step 2: Convert to fraction form
    77,456.32/116,188.80 = 22,048/x
  3. Step 3: Cross multiply
    77,456.32x = 116,188.80 × 22,048
  4. Step 4: Simplify right side
    77,456.32x = 2,561,730,662.40
  5. Step 5: Solve for x
    x = 2,561,730,662.40/77,456.32
  6. Step 6: Final answer
    x = 33,073.23

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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.