Home / 34,290.29-47,323.97-21,553.06

Finding the Fourth Proportional to 34,290.29, 47,323.97 and 21,553.06

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Solution

The fourth proportional to 34,290.29, 47,323.97 and 21,553.06 is: 29,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.29 : 47,323.97 = 21,553.06 : x
  2. Step 2: Convert to fraction form
    34,290.29/47,323.97 = 21,553.06/x
  3. Step 3: Cross multiply
    34,290.29x = 47,323.97 × 21,553.06
  4. Step 4: Simplify right side
    34,290.29x = 1,019,976,364.85
  5. Step 5: Solve for x
    x = 1,019,976,364.85/34,290.29
  6. Step 6: Final answer
    x = 29,745.34

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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.