Home / 29,138.72-43,717.26-10,418.34

Finding the Fourth Proportional to 29,138.72, 43,717.26 and 10,418.34

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Solution

The fourth proportional to 29,138.72, 43,717.26 and 10,418.34 is: 15,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.72 : 43,717.26 = 10,418.34 : x
  2. Step 2: Convert to fraction form
    29,138.72/43,717.26 = 10,418.34/x
  3. Step 3: Cross multiply
    29,138.72x = 43,717.26 × 10,418.34
  4. Step 4: Simplify right side
    29,138.72x = 455,461,278.55
  5. Step 5: Solve for x
    x = 455,461,278.55/29,138.72
  6. Step 6: Final answer
    x = 15,630.79

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1.5x scale

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.