Home / 55,899.54-83,838.61-21,705.32

Finding the Fourth Proportional to 55,899.54, 83,838.61 and 21,705.32

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Solution

The fourth proportional to 55,899.54, 83,838.61 and 21,705.32 is: 32,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899.54 : 83,838.61 = 21,705.32 : x
  2. Step 2: Convert to fraction form
    55,899.54/83,838.61 = 21,705.32/x
  3. Step 3: Cross multiply
    55,899.54x = 83,838.61 × 21,705.32
  4. Step 4: Simplify right side
    55,899.54x = 1,819,743,858.41
  5. Step 5: Solve for x
    x = 1,819,743,858.41/55,899.54
  6. Step 6: Final answer
    x = 32,553.83

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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.