Home / 55,876.83-77,110.19-30,383.21

Finding the Fourth Proportional to 55,876.83, 77,110.19 and 30,383.21

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Solution

The fourth proportional to 55,876.83, 77,110.19 and 30,383.21 is: 41,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,876.83 : 77,110.19 = 30,383.21 : x
  2. Step 2: Convert to fraction form
    55,876.83/77,110.19 = 30,383.21/x
  3. Step 3: Cross multiply
    55,876.83x = 77,110.19 × 30,383.21
  4. Step 4: Simplify right side
    55,876.83x = 2,342,854,558.44
  5. Step 5: Solve for x
    x = 2,342,854,558.44/55,876.83
  6. Step 6: Final answer
    x = 41,928.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.