Home / 39,098.85-53,956.47-21,193.84

Finding the Fourth Proportional to 39,098.85, 53,956.47 and 21,193.84

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Solution

The fourth proportional to 39,098.85, 53,956.47 and 21,193.84 is: 29,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.85 : 53,956.47 = 21,193.84 : x
  2. Step 2: Convert to fraction form
    39,098.85/53,956.47 = 21,193.84/x
  3. Step 3: Cross multiply
    39,098.85x = 53,956.47 × 21,193.84
  4. Step 4: Simplify right side
    39,098.85x = 1,143,544,792.14
  5. Step 5: Solve for x
    x = 1,143,544,792.14/39,098.85
  6. Step 6: Final answer
    x = 29,247.53

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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.