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Finding the Fourth Proportional to 34,370, 47,430.60 and 19,468.88

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Solution

The fourth proportional to 34,370, 47,430.60 and 19,468.88 is: 26,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,370 : 47,430.60 = 19,468.88 : x
  2. Step 2: Convert to fraction form
    34,370/47,430.60 = 19,468.88/x
  3. Step 3: Cross multiply
    34,370x = 47,430.60 × 19,468.88
  4. Step 4: Simplify right side
    34,370x = 923,420,659.73
  5. Step 5: Solve for x
    x = 923,420,659.73/34,370
  6. Step 6: Final answer
    x = 26,867.05

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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.