Home / 31,090.25-46,682.09-18,665.86

Finding the Fourth Proportional to 31,090.25, 46,682.09 and 18,665.86

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Solution

The fourth proportional to 31,090.25, 46,682.09 and 18,665.86 is: 28,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,090.25 : 46,682.09 = 18,665.86 : x
  2. Step 2: Convert to fraction form
    31,090.25/46,682.09 = 18,665.86/x
  3. Step 3: Cross multiply
    31,090.25x = 46,682.09 × 18,665.86
  4. Step 4: Simplify right side
    31,090.25x = 871,361,356.45
  5. Step 5: Solve for x
    x = 871,361,356.45/31,090.25
  6. Step 6: Final answer
    x = 28,026.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.