Home / 36,180.23-49,931.36-21,843.59

Finding the Fourth Proportional to 36,180.23, 49,931.36 and 21,843.59

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Solution

The fourth proportional to 36,180.23, 49,931.36 and 21,843.59 is: 30,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.23 : 49,931.36 = 21,843.59 : x
  2. Step 2: Convert to fraction form
    36,180.23/49,931.36 = 21,843.59/x
  3. Step 3: Cross multiply
    36,180.23x = 49,931.36 × 21,843.59
  4. Step 4: Simplify right side
    36,180.23x = 1,090,679,879.02
  5. Step 5: Solve for x
    x = 1,090,679,879.02/36,180.23
  6. Step 6: Final answer
    x = 30,145.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.