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Finding the Fourth Proportional to 34,274.25, 47,304.95 and 19,370.25

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Solution

The fourth proportional to 34,274.25, 47,304.95 and 19,370.25 is: 26,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,274.25 : 47,304.95 = 19,370.25 : x
  2. Step 2: Convert to fraction form
    34,274.25/47,304.95 = 19,370.25/x
  3. Step 3: Cross multiply
    34,274.25x = 47,304.95 × 19,370.25
  4. Step 4: Simplify right side
    34,274.25x = 916,308,610.89
  5. Step 5: Solve for x
    x = 916,308,610.89/34,274.25
  6. Step 6: Final answer
    x = 26,734.61

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1.5x scale

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.