Home / 29,307.46-43,961.25-7,120.86

Finding the Fourth Proportional to 29,307.46, 43,961.25 and 7,120.86

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Solution

The fourth proportional to 29,307.46, 43,961.25 and 7,120.86 is: 10,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.46 : 43,961.25 = 7,120.86 : x
  2. Step 2: Convert to fraction form
    29,307.46/43,961.25 = 7,120.86/x
  3. Step 3: Cross multiply
    29,307.46x = 43,961.25 × 7,120.86
  4. Step 4: Simplify right side
    29,307.46x = 313,041,651.26
  5. Step 5: Solve for x
    x = 313,041,651.26/29,307.46
  6. Step 6: Final answer
    x = 10,681.30

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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.