Home / 31,828.21-43,923.24-17,487.81

Finding the Fourth Proportional to 31,828.21, 43,923.24 and 17,487.81

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Solution

The fourth proportional to 31,828.21, 43,923.24 and 17,487.81 is: 24,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.21 : 43,923.24 = 17,487.81 : x
  2. Step 2: Convert to fraction form
    31,828.21/43,923.24 = 17,487.81/x
  3. Step 3: Cross multiply
    31,828.21x = 43,923.24 × 17,487.81
  4. Step 4: Simplify right side
    31,828.21x = 768,121,045.41
  5. Step 5: Solve for x
    x = 768,121,045.41/31,828.21
  6. Step 6: Final answer
    x = 24,133.34

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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.