Home / 31,727.91-43,784.78-17,580.99

Finding the Fourth Proportional to 31,727.91, 43,784.78 and 17,580.99

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Solution

The fourth proportional to 31,727.91, 43,784.78 and 17,580.99 is: 24,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.91 : 43,784.78 = 17,580.99 : x
  2. Step 2: Convert to fraction form
    31,727.91/43,784.78 = 17,580.99/x
  3. Step 3: Cross multiply
    31,727.91x = 43,784.78 × 17,580.99
  4. Step 4: Simplify right side
    31,727.91x = 769,779,691.43
  5. Step 5: Solve for x
    x = 769,779,691.43/31,727.91
  6. Step 6: Final answer
    x = 24,261.91

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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.