Home / 36,979.82-51,024.12-21,873.32

Finding the Fourth Proportional to 36,979.82, 51,024.12 and 21,873.32

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Solution

The fourth proportional to 36,979.82, 51,024.12 and 21,873.32 is: 30,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.82 : 51,024.12 = 21,873.32 : x
  2. Step 2: Convert to fraction form
    36,979.82/51,024.12 = 21,873.32/x
  3. Step 3: Cross multiply
    36,979.82x = 51,024.12 × 21,873.32
  4. Step 4: Simplify right side
    36,979.82x = 1,116,066,904.48
  5. Step 5: Solve for x
    x = 1,116,066,904.48/36,979.82
  6. Step 6: Final answer
    x = 30,180.43

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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.