Home / 43,255.09-59,603.43-31,906.60

Finding the Fourth Proportional to 43,255.09, 59,603.43 and 31,906.60

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Solution

The fourth proportional to 43,255.09, 59,603.43 and 31,906.60 is: 43,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.09 : 59,603.43 = 31,906.60 : x
  2. Step 2: Convert to fraction form
    43,255.09/59,603.43 = 31,906.60/x
  3. Step 3: Cross multiply
    43,255.09x = 59,603.43 × 31,906.60
  4. Step 4: Simplify right side
    43,255.09x = 1,901,742,799.64
  5. Step 5: Solve for x
    x = 1,901,742,799.64/43,255.09
  6. Step 6: Final answer
    x = 43,965.76

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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.