Home / 29,138.85-43,713.99-11,610.45

Finding the Fourth Proportional to 29,138.85, 43,713.99 and 11,610.45

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Solution

The fourth proportional to 29,138.85, 43,713.99 and 11,610.45 is: 17,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.85 : 43,713.99 = 11,610.45 : x
  2. Step 2: Convert to fraction form
    29,138.85/43,713.99 = 11,610.45/x
  3. Step 3: Cross multiply
    29,138.85x = 43,713.99 × 11,610.45
  4. Step 4: Simplify right side
    29,138.85x = 507,539,095.20
  5. Step 5: Solve for x
    x = 507,539,095.20/29,138.85
  6. Step 6: Final answer
    x = 17,417.95

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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.