Home / 30,956.78-42,720.82-17,527.66

Finding the Fourth Proportional to 30,956.78, 42,720.82 and 17,527.66

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Solution

The fourth proportional to 30,956.78, 42,720.82 and 17,527.66 is: 24,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.78 : 42,720.82 = 17,527.66 : x
  2. Step 2: Convert to fraction form
    30,956.78/42,720.82 = 17,527.66/x
  3. Step 3: Cross multiply
    30,956.78x = 42,720.82 × 17,527.66
  4. Step 4: Simplify right side
    30,956.78x = 748,795,857.26
  5. Step 5: Solve for x
    x = 748,795,857.26/30,956.78
  6. Step 6: Final answer
    x = 24,188.43

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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.