Home / 34,044.63-46,949.27-20,430.60

Finding the Fourth Proportional to 34,044.63, 46,949.27 and 20,430.60

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Solution

The fourth proportional to 34,044.63, 46,949.27 and 20,430.60 is: 28,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,044.63 : 46,949.27 = 20,430.60 : x
  2. Step 2: Convert to fraction form
    34,044.63/46,949.27 = 20,430.60/x
  3. Step 3: Cross multiply
    34,044.63x = 46,949.27 × 20,430.60
  4. Step 4: Simplify right side
    34,044.63x = 959,201,520.92
  5. Step 5: Solve for x
    x = 959,201,520.92/34,044.63
  6. Step 6: Final answer
    x = 28,174.83

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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.