Home / 55,933.26-83,878.02-20,853.78

Finding the Fourth Proportional to 55,933.26, 83,878.02 and 20,853.78

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Solution

The fourth proportional to 55,933.26, 83,878.02 and 20,853.78 is: 31,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.26 : 83,878.02 = 20,853.78 : x
  2. Step 2: Convert to fraction form
    55,933.26/83,878.02 = 20,853.78/x
  3. Step 3: Cross multiply
    55,933.26x = 83,878.02 × 20,853.78
  4. Step 4: Simplify right side
    55,933.26x = 1,749,173,775.92
  5. Step 5: Solve for x
    x = 1,749,173,775.92/55,933.26
  6. Step 6: Final answer
    x = 31,272.52

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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.