Home / 23,285.94-34,735.23-21,043.86

Finding the Fourth Proportional to 23,285.94, 34,735.23 and 21,043.86

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Solution

The fourth proportional to 23,285.94, 34,735.23 and 21,043.86 is: 31,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,285.94 : 34,735.23 = 21,043.86 : x
  2. Step 2: Convert to fraction form
    23,285.94/34,735.23 = 21,043.86/x
  3. Step 3: Cross multiply
    23,285.94x = 34,735.23 × 21,043.86
  4. Step 4: Simplify right side
    23,285.94x = 730,963,407.99
  5. Step 5: Solve for x
    x = 730,963,407.99/23,285.94
  6. Step 6: Final answer
    x = 31,390.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.