Home / 43,440.09-65,171.37-25,443.51

Finding the Fourth Proportional to 43,440.09, 65,171.37 and 25,443.51

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Solution

The fourth proportional to 43,440.09, 65,171.37 and 25,443.51 is: 38,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,440.09 : 65,171.37 = 25,443.51 : x
  2. Step 2: Convert to fraction form
    43,440.09/65,171.37 = 25,443.51/x
  3. Step 3: Cross multiply
    43,440.09x = 65,171.37 × 25,443.51
  4. Step 4: Simplify right side
    43,440.09x = 1,658,188,404.31
  5. Step 5: Solve for x
    x = 1,658,188,404.31/43,440.09
  6. Step 6: Final answer
    x = 38,171.85

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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.