Home / 55,605.75-83,199.36-38,998.20

Finding the Fourth Proportional to 55,605.75, 83,199.36 and 38,998.20

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Solution

The fourth proportional to 55,605.75, 83,199.36 and 38,998.20 is: 58,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.75 : 83,199.36 = 38,998.20 : x
  2. Step 2: Convert to fraction form
    55,605.75/83,199.36 = 38,998.20/x
  3. Step 3: Cross multiply
    55,605.75x = 83,199.36 × 38,998.20
  4. Step 4: Simplify right side
    55,605.75x = 3,244,625,281.15
  5. Step 5: Solve for x
    x = 3,244,625,281.15/55,605.75
  6. Step 6: Final answer
    x = 58,350.54

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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.