Home / 31,243.22-46,805.96-15,429.74

Finding the Fourth Proportional to 31,243.22, 46,805.96 and 15,429.74

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Solution

The fourth proportional to 31,243.22, 46,805.96 and 15,429.74 is: 23,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.22 : 46,805.96 = 15,429.74 : x
  2. Step 2: Convert to fraction form
    31,243.22/46,805.96 = 15,429.74/x
  3. Step 3: Cross multiply
    31,243.22x = 46,805.96 × 15,429.74
  4. Step 4: Simplify right side
    31,243.22x = 722,203,559.22
  5. Step 5: Solve for x
    x = 722,203,559.22/31,243.22
  6. Step 6: Final answer
    x = 23,115.53

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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.