Home / 37,609.32-51,906.36-21,690.64

Finding the Fourth Proportional to 37,609.32, 51,906.36 and 21,690.64

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Solution

The fourth proportional to 37,609.32, 51,906.36 and 21,690.64 is: 29,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,609.32 : 51,906.36 = 21,690.64 : x
  2. Step 2: Convert to fraction form
    37,609.32/51,906.36 = 21,690.64/x
  3. Step 3: Cross multiply
    37,609.32x = 51,906.36 × 21,690.64
  4. Step 4: Simplify right side
    37,609.32x = 1,125,882,168.47
  5. Step 5: Solve for x
    x = 1,125,882,168.47/37,609.32
  6. Step 6: Final answer
    x = 29,936.25

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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.