Home / 38,934.68-58,406.09-17,871.12

Finding the Fourth Proportional to 38,934.68, 58,406.09 and 17,871.12

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Solution

The fourth proportional to 38,934.68, 58,406.09 and 17,871.12 is: 26,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.68 : 58,406.09 = 17,871.12 : x
  2. Step 2: Convert to fraction form
    38,934.68/58,406.09 = 17,871.12/x
  3. Step 3: Cross multiply
    38,934.68x = 58,406.09 × 17,871.12
  4. Step 4: Simplify right side
    38,934.68x = 1,043,782,153.77
  5. Step 5: Solve for x
    x = 1,043,782,153.77/38,934.68
  6. Step 6: Final answer
    x = 26,808.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.