Home / 31,450.14-43,399.98-17,302.86

Finding the Fourth Proportional to 31,450.14, 43,399.98 and 17,302.86

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Solution

The fourth proportional to 31,450.14, 43,399.98 and 17,302.86 is: 23,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.14 : 43,399.98 = 17,302.86 : x
  2. Step 2: Convert to fraction form
    31,450.14/43,399.98 = 17,302.86/x
  3. Step 3: Cross multiply
    31,450.14x = 43,399.98 × 17,302.86
  4. Step 4: Simplify right side
    31,450.14x = 750,943,777.94
  5. Step 5: Solve for x
    x = 750,943,777.94/31,450.14
  6. Step 6: Final answer
    x = 23,877.28

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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.