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Finding the Fourth Proportional to 61,474.70, 84,843.23 and 34,622.52

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Solution

The fourth proportional to 61,474.70, 84,843.23 and 34,622.52 is: 47,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,474.70 : 84,843.23 = 34,622.52 : x
  2. Step 2: Convert to fraction form
    61,474.70/84,843.23 = 34,622.52/x
  3. Step 3: Cross multiply
    61,474.70x = 84,843.23 × 34,622.52
  4. Step 4: Simplify right side
    61,474.70x = 2,937,486,254.43
  5. Step 5: Solve for x
    x = 2,937,486,254.43/61,474.70
  6. Step 6: Final answer
    x = 47,783.67

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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.