Home / 38,924.42-58,386.61-12,629.16

Finding the Fourth Proportional to 38,924.42, 58,386.61 and 12,629.16

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Solution

The fourth proportional to 38,924.42, 58,386.61 and 12,629.16 is: 18,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924.42 : 58,386.61 = 12,629.16 : x
  2. Step 2: Convert to fraction form
    38,924.42/58,386.61 = 12,629.16/x
  3. Step 3: Cross multiply
    38,924.42x = 58,386.61 × 12,629.16
  4. Step 4: Simplify right side
    38,924.42x = 737,373,839.55
  5. Step 5: Solve for x
    x = 737,373,839.55/38,924.42
  6. Step 6: Final answer
    x = 18,943.73

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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.