Home / 33,245.39-45,865.65-21,920.84

Finding the Fourth Proportional to 33,245.39, 45,865.65 and 21,920.84

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Solution

The fourth proportional to 33,245.39, 45,865.65 and 21,920.84 is: 30,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.39 : 45,865.65 = 21,920.84 : x
  2. Step 2: Convert to fraction form
    33,245.39/45,865.65 = 21,920.84/x
  3. Step 3: Cross multiply
    33,245.39x = 45,865.65 × 21,920.84
  4. Step 4: Simplify right side
    33,245.39x = 1,005,413,345.82
  5. Step 5: Solve for x
    x = 1,005,413,345.82/33,245.39
  6. Step 6: Final answer
    x = 30,242.19

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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.