Home / 34,428.97-47,512.23-19,321.96

Finding the Fourth Proportional to 34,428.97, 47,512.23 and 19,321.96

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Solution

The fourth proportional to 34,428.97, 47,512.23 and 19,321.96 is: 26,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.97 : 47,512.23 = 19,321.96 : x
  2. Step 2: Convert to fraction form
    34,428.97/47,512.23 = 19,321.96/x
  3. Step 3: Cross multiply
    34,428.97x = 47,512.23 × 19,321.96
  4. Step 4: Simplify right side
    34,428.97x = 918,029,407.57
  5. Step 5: Solve for x
    x = 918,029,407.57/34,428.97
  6. Step 6: Final answer
    x = 26,664.45

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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.