Home / 36,386.54-50,213.34-20,471

Finding the Fourth Proportional to 36,386.54, 50,213.34 and 20,471

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Solution

The fourth proportional to 36,386.54, 50,213.34 and 20,471 is: 28,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.54 : 50,213.34 = 20,471 : x
  2. Step 2: Convert to fraction form
    36,386.54/50,213.34 = 20,471/x
  3. Step 3: Cross multiply
    36,386.54x = 50,213.34 × 20,471
  4. Step 4: Simplify right side
    36,386.54x = 1,027,917,283.14
  5. Step 5: Solve for x
    x = 1,027,917,283.14/36,386.54
  6. Step 6: Final answer
    x = 28,249.94

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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.