Home / 31,635.94-43,661.48-18,029.01

Finding the Fourth Proportional to 31,635.94, 43,661.48 and 18,029.01

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Solution

The fourth proportional to 31,635.94, 43,661.48 and 18,029.01 is: 24,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.94 : 43,661.48 = 18,029.01 : x
  2. Step 2: Convert to fraction form
    31,635.94/43,661.48 = 18,029.01/x
  3. Step 3: Cross multiply
    31,635.94x = 43,661.48 × 18,029.01
  4. Step 4: Simplify right side
    31,635.94x = 787,173,066.14
  5. Step 5: Solve for x
    x = 787,173,066.14/31,635.94
  6. Step 6: Final answer
    x = 24,882.24

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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.