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Finding the Fourth Proportional to 34,735.03, 47,917.17 and 21,990.29

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Solution

The fourth proportional to 34,735.03, 47,917.17 and 21,990.29 is: 30,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.03 : 47,917.17 = 21,990.29 : x
  2. Step 2: Convert to fraction form
    34,735.03/47,917.17 = 21,990.29/x
  3. Step 3: Cross multiply
    34,735.03x = 47,917.17 × 21,990.29
  4. Step 4: Simplify right side
    34,735.03x = 1,053,712,224.69
  5. Step 5: Solve for x
    x = 1,053,712,224.69/34,735.03
  6. Step 6: Final answer
    x = 30,335.72

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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.