Home / 43,189.92-59,629.20-31,291.68

Finding the Fourth Proportional to 43,189.92, 59,629.20 and 31,291.68

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Solution

The fourth proportional to 43,189.92, 59,629.20 and 31,291.68 is: 43,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,189.92 : 59,629.20 = 31,291.68 : x
  2. Step 2: Convert to fraction form
    43,189.92/59,629.20 = 31,291.68/x
  3. Step 3: Cross multiply
    43,189.92x = 59,629.20 × 31,291.68
  4. Step 4: Simplify right side
    43,189.92x = 1,865,897,845.06
  5. Step 5: Solve for x
    x = 1,865,897,845.06/43,189.92
  6. Step 6: Final answer
    x = 43,202.16

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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.