Home / 31,840.24-43,942.80-17,697.64

Finding the Fourth Proportional to 31,840.24, 43,942.80 and 17,697.64

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Solution

The fourth proportional to 31,840.24, 43,942.80 and 17,697.64 is: 24,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.24 : 43,942.80 = 17,697.64 : x
  2. Step 2: Convert to fraction form
    31,840.24/43,942.80 = 17,697.64/x
  3. Step 3: Cross multiply
    31,840.24x = 43,942.80 × 17,697.64
  4. Step 4: Simplify right side
    31,840.24x = 777,683,854.99
  5. Step 5: Solve for x
    x = 777,683,854.99/31,840.24
  6. Step 6: Final answer
    x = 24,424.56

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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.