Home / 29,129.94-43,705.98-11,612.16

Finding the Fourth Proportional to 29,129.94, 43,705.98 and 11,612.16

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Solution

The fourth proportional to 29,129.94, 43,705.98 and 11,612.16 is: 17,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.94 : 43,705.98 = 11,612.16 : x
  2. Step 2: Convert to fraction form
    29,129.94/43,705.98 = 11,612.16/x
  3. Step 3: Cross multiply
    29,129.94x = 43,705.98 × 11,612.16
  4. Step 4: Simplify right side
    29,129.94x = 507,520,832.72
  5. Step 5: Solve for x
    x = 507,520,832.72/29,129.94
  6. Step 6: Final answer
    x = 17,422.65

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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.