Home / 31,457.86-47,194.97-11,736.56

Finding the Fourth Proportional to 31,457.86, 47,194.97 and 11,736.56

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Solution

The fourth proportional to 31,457.86, 47,194.97 and 11,736.56 is: 17,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.86 : 47,194.97 = 11,736.56 : x
  2. Step 2: Convert to fraction form
    31,457.86/47,194.97 = 11,736.56/x
  3. Step 3: Cross multiply
    31,457.86x = 47,194.97 × 11,736.56
  4. Step 4: Simplify right side
    31,457.86x = 553,906,656.41
  5. Step 5: Solve for x
    x = 553,906,656.41/31,457.86
  6. Step 6: Final answer
    x = 17,607.90

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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.