Home / 84,918.69-127,377.86-22,589.19

Finding the Fourth Proportional to 84,918.69, 127,377.86 and 22,589.19

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Solution

The fourth proportional to 84,918.69, 127,377.86 and 22,589.19 is: 33,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.69 : 127,377.86 = 22,589.19 : x
  2. Step 2: Convert to fraction form
    84,918.69/127,377.86 = 22,589.19/x
  3. Step 3: Cross multiply
    84,918.69x = 127,377.86 × 22,589.19
  4. Step 4: Simplify right side
    84,918.69x = 2,877,362,568.39
  5. Step 5: Solve for x
    x = 2,877,362,568.39/84,918.69
  6. Step 6: Final answer
    x = 33,883.74

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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.