Home / 47,121.61-70,663.96-17,523.30

Finding the Fourth Proportional to 47,121.61, 70,663.96 and 17,523.30

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Solution

The fourth proportional to 47,121.61, 70,663.96 and 17,523.30 is: 26,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.61 : 70,663.96 = 17,523.30 : x
  2. Step 2: Convert to fraction form
    47,121.61/70,663.96 = 17,523.30/x
  3. Step 3: Cross multiply
    47,121.61x = 70,663.96 × 17,523.30
  4. Step 4: Simplify right side
    47,121.61x = 1,238,265,770.27
  5. Step 5: Solve for x
    x = 1,238,265,770.27/47,121.61
  6. Step 6: Final answer
    x = 26,278.09

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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.