Home / 31,637.44-43,658.64-17,490.24

Finding the Fourth Proportional to 31,637.44, 43,658.64 and 17,490.24

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Solution

The fourth proportional to 31,637.44, 43,658.64 and 17,490.24 is: 24,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.44 : 43,658.64 = 17,490.24 : x
  2. Step 2: Convert to fraction form
    31,637.44/43,658.64 = 17,490.24/x
  3. Step 3: Cross multiply
    31,637.44x = 43,658.64 × 17,490.24
  4. Step 4: Simplify right side
    31,637.44x = 763,600,091.67
  5. Step 5: Solve for x
    x = 763,600,091.67/31,637.44
  6. Step 6: Final answer
    x = 24,135.96

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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.