Home / 55,543.78-83,299.74-18,107.14

Finding the Fourth Proportional to 55,543.78, 83,299.74 and 18,107.14

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Solution

The fourth proportional to 55,543.78, 83,299.74 and 18,107.14 is: 27,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.78 : 83,299.74 = 18,107.14 : x
  2. Step 2: Convert to fraction form
    55,543.78/83,299.74 = 18,107.14/x
  3. Step 3: Cross multiply
    55,543.78x = 83,299.74 × 18,107.14
  4. Step 4: Simplify right side
    55,543.78x = 1,508,320,054.14
  5. Step 5: Solve for x
    x = 1,508,320,054.14/55,543.78
  6. Step 6: Final answer
    x = 27,155.52

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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.