Home / 31,200.70-43,056.86-17,053.54

Finding the Fourth Proportional to 31,200.70, 43,056.86 and 17,053.54

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Solution

The fourth proportional to 31,200.70, 43,056.86 and 17,053.54 is: 23,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.70 : 43,056.86 = 17,053.54 : x
  2. Step 2: Convert to fraction form
    31,200.70/43,056.86 = 17,053.54/x
  3. Step 3: Cross multiply
    31,200.70x = 43,056.86 × 17,053.54
  4. Step 4: Simplify right side
    31,200.70x = 734,271,884.28
  5. Step 5: Solve for x
    x = 734,271,884.28/31,200.70
  6. Step 6: Final answer
    x = 23,533.83

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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.