Home / 55,923.08-83,899.14-20,863

Finding the Fourth Proportional to 55,923.08, 83,899.14 and 20,863

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Solution

The fourth proportional to 55,923.08, 83,899.14 and 20,863 is: 31,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.08 : 83,899.14 = 20,863 : x
  2. Step 2: Convert to fraction form
    55,923.08/83,899.14 = 20,863/x
  3. Step 3: Cross multiply
    55,923.08x = 83,899.14 × 20,863
  4. Step 4: Simplify right side
    55,923.08x = 1,750,387,757.82
  5. Step 5: Solve for x
    x = 1,750,387,757.82/55,923.08
  6. Step 6: Final answer
    x = 31,299.92

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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.