Home / 33,339.72-45,992.04-21,997.26

Finding the Fourth Proportional to 33,339.72, 45,992.04 and 21,997.26

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Solution

The fourth proportional to 33,339.72, 45,992.04 and 21,997.26 is: 30,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,339.72 : 45,992.04 = 21,997.26 : x
  2. Step 2: Convert to fraction form
    33,339.72/45,992.04 = 21,997.26/x
  3. Step 3: Cross multiply
    33,339.72x = 45,992.04 × 21,997.26
  4. Step 4: Simplify right side
    33,339.72x = 1,011,698,861.81
  5. Step 5: Solve for x
    x = 1,011,698,861.81/33,339.72
  6. Step 6: Final answer
    x = 30,345.15

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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.