Home / 29,714.46-40,997.79-18,378.51

Finding the Fourth Proportional to 29,714.46, 40,997.79 and 18,378.51

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Solution

The fourth proportional to 29,714.46, 40,997.79 and 18,378.51 is: 25,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,714.46 : 40,997.79 = 18,378.51 : x
  2. Step 2: Convert to fraction form
    29,714.46/40,997.79 = 18,378.51/x
  3. Step 3: Cross multiply
    29,714.46x = 40,997.79 × 18,378.51
  4. Step 4: Simplify right side
    29,714.46x = 753,478,293.49
  5. Step 5: Solve for x
    x = 753,478,293.49/29,714.46
  6. Step 6: Final answer
    x = 25,357.29

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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.