Home / 39,046.21-53,881.64-22,911.35

Finding the Fourth Proportional to 39,046.21, 53,881.64 and 22,911.35

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Solution

The fourth proportional to 39,046.21, 53,881.64 and 22,911.35 is: 31,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.21 : 53,881.64 = 22,911.35 : x
  2. Step 2: Convert to fraction form
    39,046.21/53,881.64 = 22,911.35/x
  3. Step 3: Cross multiply
    39,046.21x = 53,881.64 × 22,911.35
  4. Step 4: Simplify right side
    39,046.21x = 1,234,500,814.57
  5. Step 5: Solve for x
    x = 1,234,500,814.57/39,046.21
  6. Step 6: Final answer
    x = 31,616.41

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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.