Home / 23,058.52-31,834.32-21,729.94

Finding the Fourth Proportional to 23,058.52, 31,834.32 and 21,729.94

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Solution

The fourth proportional to 23,058.52, 31,834.32 and 21,729.94 is: 30,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,058.52 : 31,834.32 = 21,729.94 : x
  2. Step 2: Convert to fraction form
    23,058.52/31,834.32 = 21,729.94/x
  3. Step 3: Cross multiply
    23,058.52x = 31,834.32 × 21,729.94
  4. Step 4: Simplify right side
    23,058.52x = 691,757,863.54
  5. Step 5: Solve for x
    x = 691,757,863.54/23,058.52
  6. Step 6: Final answer
    x = 30,000.10

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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.