Home / 30,296.88-45,438.25-11,570.04

Finding the Fourth Proportional to 30,296.88, 45,438.25 and 11,570.04

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Solution

The fourth proportional to 30,296.88, 45,438.25 and 11,570.04 is: 17,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.88 : 45,438.25 = 11,570.04 : x
  2. Step 2: Convert to fraction form
    30,296.88/45,438.25 = 11,570.04/x
  3. Step 3: Cross multiply
    30,296.88x = 45,438.25 × 11,570.04
  4. Step 4: Simplify right side
    30,296.88x = 525,722,370.03
  5. Step 5: Solve for x
    x = 525,722,370.03/30,296.88
  6. Step 6: Final answer
    x = 17,352.36

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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.