Home / 34,205.70-47,190.45-19,863.08

Finding the Fourth Proportional to 34,205.70, 47,190.45 and 19,863.08

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Solution

The fourth proportional to 34,205.70, 47,190.45 and 19,863.08 is: 27,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.70 : 47,190.45 = 19,863.08 : x
  2. Step 2: Convert to fraction form
    34,205.70/47,190.45 = 19,863.08/x
  3. Step 3: Cross multiply
    34,205.70x = 47,190.45 × 19,863.08
  4. Step 4: Simplify right side
    34,205.70x = 937,347,447.63
  5. Step 5: Solve for x
    x = 937,347,447.63/34,205.70
  6. Step 6: Final answer
    x = 27,403.25

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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.