Home / 34,755.12-47,960.16-19,645.92

Finding the Fourth Proportional to 34,755.12, 47,960.16 and 19,645.92

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Solution

The fourth proportional to 34,755.12, 47,960.16 and 19,645.92 is: 27,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.12 : 47,960.16 = 19,645.92 : x
  2. Step 2: Convert to fraction form
    34,755.12/47,960.16 = 19,645.92/x
  3. Step 3: Cross multiply
    34,755.12x = 47,960.16 × 19,645.92
  4. Step 4: Simplify right side
    34,755.12x = 942,221,466.55
  5. Step 5: Solve for x
    x = 942,221,466.55/34,755.12
  6. Step 6: Final answer
    x = 27,110.29

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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.