Home / 51,171.32-76,767.34-21,589.22

Finding the Fourth Proportional to 51,171.32, 76,767.34 and 21,589.22

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Solution

The fourth proportional to 51,171.32, 76,767.34 and 21,589.22 is: 32,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.32 : 76,767.34 = 21,589.22 : x
  2. Step 2: Convert to fraction form
    51,171.32/76,767.34 = 21,589.22/x
  3. Step 3: Cross multiply
    51,171.32x = 76,767.34 × 21,589.22
  4. Step 4: Simplify right side
    51,171.32x = 1,657,346,992.07
  5. Step 5: Solve for x
    x = 1,657,346,992.07/51,171.32
  6. Step 6: Final answer
    x = 32,388.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.