Home / 55,984.75-83,945.52-20,910.13

Finding the Fourth Proportional to 55,984.75, 83,945.52 and 20,910.13

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Solution

The fourth proportional to 55,984.75, 83,945.52 and 20,910.13 is: 31,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984.75 : 83,945.52 = 20,910.13 : x
  2. Step 2: Convert to fraction form
    55,984.75/83,945.52 = 20,910.13/x
  3. Step 3: Cross multiply
    55,984.75x = 83,945.52 × 20,910.13
  4. Step 4: Simplify right side
    55,984.75x = 1,755,311,736.12
  5. Step 5: Solve for x
    x = 1,755,311,736.12/55,984.75
  6. Step 6: Final answer
    x = 31,353.39

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1.5x scale

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.