Home / 39,858.50-55,004.73-23,101.22

Finding the Fourth Proportional to 39,858.50, 55,004.73 and 23,101.22

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Solution

The fourth proportional to 39,858.50, 55,004.73 and 23,101.22 is: 31,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.50 : 55,004.73 = 23,101.22 : x
  2. Step 2: Convert to fraction form
    39,858.50/55,004.73 = 23,101.22/x
  3. Step 3: Cross multiply
    39,858.50x = 55,004.73 × 23,101.22
  4. Step 4: Simplify right side
    39,858.50x = 1,270,676,368.77
  5. Step 5: Solve for x
    x = 1,270,676,368.77/39,858.50
  6. Step 6: Final answer
    x = 31,879.68

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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.