Home / 56,717.82-84,988.44-21,638.34

Finding the Fourth Proportional to 56,717.82, 84,988.44 and 21,638.34

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Solution

The fourth proportional to 56,717.82, 84,988.44 and 21,638.34 is: 32,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.82 : 84,988.44 = 21,638.34 : x
  2. Step 2: Convert to fraction form
    56,717.82/84,988.44 = 21,638.34/x
  3. Step 3: Cross multiply
    56,717.82x = 84,988.44 × 21,638.34
  4. Step 4: Simplify right side
    56,717.82x = 1,839,008,760.79
  5. Step 5: Solve for x
    x = 1,839,008,760.79/56,717.82
  6. Step 6: Final answer
    x = 32,423.83

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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.