Home / 31,200.72-43,056.60-17,053.44

Finding the Fourth Proportional to 31,200.72, 43,056.60 and 17,053.44

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Solution

The fourth proportional to 31,200.72, 43,056.60 and 17,053.44 is: 23,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.72 : 43,056.60 = 17,053.44 : x
  2. Step 2: Convert to fraction form
    31,200.72/43,056.60 = 17,053.44/x
  3. Step 3: Cross multiply
    31,200.72x = 43,056.60 × 17,053.44
  4. Step 4: Simplify right side
    31,200.72x = 734,263,144.70
  5. Step 5: Solve for x
    x = 734,263,144.70/31,200.72
  6. Step 6: Final answer
    x = 23,533.53

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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.