Home / 31,914.45-44,042.27-19,984.77

Finding the Fourth Proportional to 31,914.45, 44,042.27 and 19,984.77

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Solution

The fourth proportional to 31,914.45, 44,042.27 and 19,984.77 is: 27,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.45 : 44,042.27 = 19,984.77 : x
  2. Step 2: Convert to fraction form
    31,914.45/44,042.27 = 19,984.77/x
  3. Step 3: Cross multiply
    31,914.45x = 44,042.27 × 19,984.77
  4. Step 4: Simplify right side
    31,914.45x = 880,174,536.30
  5. Step 5: Solve for x
    x = 880,174,536.30/31,914.45
  6. Step 6: Final answer
    x = 27,579.19

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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.