Home / 29,169.35-40,236.93-18,410.40

Finding the Fourth Proportional to 29,169.35, 40,236.93 and 18,410.40

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Solution

The fourth proportional to 29,169.35, 40,236.93 and 18,410.40 is: 25,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.35 : 40,236.93 = 18,410.40 : x
  2. Step 2: Convert to fraction form
    29,169.35/40,236.93 = 18,410.40/x
  3. Step 3: Cross multiply
    29,169.35x = 40,236.93 × 18,410.40
  4. Step 4: Simplify right side
    29,169.35x = 740,777,976.07
  5. Step 5: Solve for x
    x = 740,777,976.07/29,169.35
  6. Step 6: Final answer
    x = 25,395.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.