Home / 36,816.21-55,240.74-19,281.96

Finding the Fourth Proportional to 36,816.21, 55,240.74 and 19,281.96

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Solution

The fourth proportional to 36,816.21, 55,240.74 and 19,281.96 is: 28,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,816.21 : 55,240.74 = 19,281.96 : x
  2. Step 2: Convert to fraction form
    36,816.21/55,240.74 = 19,281.96/x
  3. Step 3: Cross multiply
    36,816.21x = 55,240.74 × 19,281.96
  4. Step 4: Simplify right side
    36,816.21x = 1,065,149,739.05
  5. Step 5: Solve for x
    x = 1,065,149,739.05/36,816.21
  6. Step 6: Final answer
    x = 28,931.54

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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.