Home / 36,968.38-51,018.18-21,054.30

Finding the Fourth Proportional to 36,968.38, 51,018.18 and 21,054.30

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Solution

The fourth proportional to 36,968.38, 51,018.18 and 21,054.30 is: 29,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,968.38 : 51,018.18 = 21,054.30 : x
  2. Step 2: Convert to fraction form
    36,968.38/51,018.18 = 21,054.30/x
  3. Step 3: Cross multiply
    36,968.38x = 51,018.18 × 21,054.30
  4. Step 4: Simplify right side
    36,968.38x = 1,074,152,067.17
  5. Step 5: Solve for x
    x = 1,074,152,067.17/36,968.38
  6. Step 6: Final answer
    x = 29,055.97

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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.