Home / 31,418.53-43,357.58-17,994.24

Finding the Fourth Proportional to 31,418.53, 43,357.58 and 17,994.24

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Solution

The fourth proportional to 31,418.53, 43,357.58 and 17,994.24 is: 24,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.53 : 43,357.58 = 17,994.24 : x
  2. Step 2: Convert to fraction form
    31,418.53/43,357.58 = 17,994.24/x
  3. Step 3: Cross multiply
    31,418.53x = 43,357.58 × 17,994.24
  4. Step 4: Simplify right side
    31,418.53x = 780,186,700.34
  5. Step 5: Solve for x
    x = 780,186,700.34/31,418.53
  6. Step 6: Final answer
    x = 24,832.06

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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.