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Finding the Fourth Proportional to 34,480.79, 47,583.53 and 19,373.44

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Solution

The fourth proportional to 34,480.79, 47,583.53 and 19,373.44 is: 26,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.79 : 47,583.53 = 19,373.44 : x
  2. Step 2: Convert to fraction form
    34,480.79/47,583.53 = 19,373.44/x
  3. Step 3: Cross multiply
    34,480.79x = 47,583.53 × 19,373.44
  4. Step 4: Simplify right side
    34,480.79x = 921,856,473.96
  5. Step 5: Solve for x
    x = 921,856,473.96/34,480.79
  6. Step 6: Final answer
    x = 26,735.36

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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.