Home / 31,845.03-47,774.30-10,784.06

Finding the Fourth Proportional to 31,845.03, 47,774.30 and 10,784.06

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Solution

The fourth proportional to 31,845.03, 47,774.30 and 10,784.06 is: 16,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.03 : 47,774.30 = 10,784.06 : x
  2. Step 2: Convert to fraction form
    31,845.03/47,774.30 = 10,784.06/x
  3. Step 3: Cross multiply
    31,845.03x = 47,774.30 × 10,784.06
  4. Step 4: Simplify right side
    31,845.03x = 515,200,624.87
  5. Step 5: Solve for x
    x = 515,200,624.87/31,845.03
  6. Step 6: Final answer
    x = 16,178.37

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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.