Home / 29,138.24-43,703.16-14,343.20

Finding the Fourth Proportional to 29,138.24, 43,703.16 and 14,343.20

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Solution

The fourth proportional to 29,138.24, 43,703.16 and 14,343.20 is: 21,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.24 : 43,703.16 = 14,343.20 : x
  2. Step 2: Convert to fraction form
    29,138.24/43,703.16 = 14,343.20/x
  3. Step 3: Cross multiply
    29,138.24x = 43,703.16 × 14,343.20
  4. Step 4: Simplify right side
    29,138.24x = 626,843,164.51
  5. Step 5: Solve for x
    x = 626,843,164.51/29,138.24
  6. Step 6: Final answer
    x = 21,512.73

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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.