Home / 55,550.80-83,333.40-27,485.20

Finding the Fourth Proportional to 55,550.80, 83,333.40 and 27,485.20

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Solution

The fourth proportional to 55,550.80, 83,333.40 and 27,485.20 is: 41,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.80 : 83,333.40 = 27,485.20 : x
  2. Step 2: Convert to fraction form
    55,550.80/83,333.40 = 27,485.20/x
  3. Step 3: Cross multiply
    55,550.80x = 83,333.40 × 27,485.20
  4. Step 4: Simplify right side
    55,550.80x = 2,290,435,165.68
  5. Step 5: Solve for x
    x = 2,290,435,165.68/55,550.80
  6. Step 6: Final answer
    x = 41,231.36

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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.