Home / 39,173.32-58,747.52-12,871.99

Finding the Fourth Proportional to 39,173.32, 58,747.52 and 12,871.99

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Solution

The fourth proportional to 39,173.32, 58,747.52 and 12,871.99 is: 19,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.32 : 58,747.52 = 12,871.99 : x
  2. Step 2: Convert to fraction form
    39,173.32/58,747.52 = 12,871.99/x
  3. Step 3: Cross multiply
    39,173.32x = 58,747.52 × 12,871.99
  4. Step 4: Simplify right side
    39,173.32x = 756,197,425.60
  5. Step 5: Solve for x
    x = 756,197,425.60/39,173.32
  6. Step 6: Final answer
    x = 19,303.89

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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.