Home / 51,219.23-76,837.04-21,637.31

Finding the Fourth Proportional to 51,219.23, 76,837.04 and 21,637.31

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Solution

The fourth proportional to 51,219.23, 76,837.04 and 21,637.31 is: 32,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.23 : 76,837.04 = 21,637.31 : x
  2. Step 2: Convert to fraction form
    51,219.23/76,837.04 = 21,637.31/x
  3. Step 3: Cross multiply
    51,219.23x = 76,837.04 × 21,637.31
  4. Step 4: Simplify right side
    51,219.23x = 1,662,546,361.59
  5. Step 5: Solve for x
    x = 1,662,546,361.59/51,219.23
  6. Step 6: Final answer
    x = 32,459.42

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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.