Home / 31,267.07-43,186.43-22,755.69

Finding the Fourth Proportional to 31,267.07, 43,186.43 and 22,755.69

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Solution

The fourth proportional to 31,267.07, 43,186.43 and 22,755.69 is: 31,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.07 : 43,186.43 = 22,755.69 : x
  2. Step 2: Convert to fraction form
    31,267.07/43,186.43 = 22,755.69/x
  3. Step 3: Cross multiply
    31,267.07x = 43,186.43 × 22,755.69
  4. Step 4: Simplify right side
    31,267.07x = 982,736,899.51
  5. Step 5: Solve for x
    x = 982,736,899.51/31,267.07
  6. Step 6: Final answer
    x = 31,430.42

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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.