Home / 36,112.81-54,169.83-9,816.91

Finding the Fourth Proportional to 36,112.81, 54,169.83 and 9,816.91

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Solution

The fourth proportional to 36,112.81, 54,169.83 and 9,816.91 is: 14,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.81 : 54,169.83 = 9,816.91 : x
  2. Step 2: Convert to fraction form
    36,112.81/54,169.83 = 9,816.91/x
  3. Step 3: Cross multiply
    36,112.81x = 54,169.83 × 9,816.91
  4. Step 4: Simplify right side
    36,112.81x = 531,780,345.83
  5. Step 5: Solve for x
    x = 531,780,345.83/36,112.81
  6. Step 6: Final answer
    x = 14,725.53

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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.