Home / 30,271.13-41,772.24-16,842.03

Finding the Fourth Proportional to 30,271.13, 41,772.24 and 16,842.03

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Solution

The fourth proportional to 30,271.13, 41,772.24 and 16,842.03 is: 23,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.13 : 41,772.24 = 16,842.03 : x
  2. Step 2: Convert to fraction form
    30,271.13/41,772.24 = 16,842.03/x
  3. Step 3: Cross multiply
    30,271.13x = 41,772.24 × 16,842.03
  4. Step 4: Simplify right side
    30,271.13x = 703,529,319.25
  5. Step 5: Solve for x
    x = 703,529,319.25/30,271.13
  6. Step 6: Final answer
    x = 23,240.94

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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.