Home / 31,586.90-43,589.77-17,439.64

Finding the Fourth Proportional to 31,586.90, 43,589.77 and 17,439.64

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Solution

The fourth proportional to 31,586.90, 43,589.77 and 17,439.64 is: 24,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.90 : 43,589.77 = 17,439.64 : x
  2. Step 2: Convert to fraction form
    31,586.90/43,589.77 = 17,439.64/x
  3. Step 3: Cross multiply
    31,586.90x = 43,589.77 × 17,439.64
  4. Step 4: Simplify right side
    31,586.90x = 760,189,743.91
  5. Step 5: Solve for x
    x = 760,189,743.91/31,586.90
  6. Step 6: Final answer
    x = 24,066.62

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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.