Home / 36,281.25-54,419.45-9,986.22

Finding the Fourth Proportional to 36,281.25, 54,419.45 and 9,986.22

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Solution

The fourth proportional to 36,281.25, 54,419.45 and 9,986.22 is: 14,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.25 : 54,419.45 = 9,986.22 : x
  2. Step 2: Convert to fraction form
    36,281.25/54,419.45 = 9,986.22/x
  3. Step 3: Cross multiply
    36,281.25x = 54,419.45 × 9,986.22
  4. Step 4: Simplify right side
    36,281.25x = 543,444,550.05
  5. Step 5: Solve for x
    x = 543,444,550.05/36,281.25
  6. Step 6: Final answer
    x = 14,978.66

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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.