Home / 34,330.82-47,360.79-20,724.03

Finding the Fourth Proportional to 34,330.82, 47,360.79 and 20,724.03

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Solution

The fourth proportional to 34,330.82, 47,360.79 and 20,724.03 is: 28,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,330.82 : 47,360.79 = 20,724.03 : x
  2. Step 2: Convert to fraction form
    34,330.82/47,360.79 = 20,724.03/x
  3. Step 3: Cross multiply
    34,330.82x = 47,360.79 × 20,724.03
  4. Step 4: Simplify right side
    34,330.82x = 981,506,432.78
  5. Step 5: Solve for x
    x = 981,506,432.78/34,330.82
  6. Step 6: Final answer
    x = 28,589.66

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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.