Home / 39,130.73-53,999.70-22,134.33

Finding the Fourth Proportional to 39,130.73, 53,999.70 and 22,134.33

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Solution

The fourth proportional to 39,130.73, 53,999.70 and 22,134.33 is: 30,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.73 : 53,999.70 = 22,134.33 : x
  2. Step 2: Convert to fraction form
    39,130.73/53,999.70 = 22,134.33/x
  3. Step 3: Cross multiply
    39,130.73x = 53,999.70 × 22,134.33
  4. Step 4: Simplify right side
    39,130.73x = 1,195,247,179.70
  5. Step 5: Solve for x
    x = 1,195,247,179.70/39,130.73
  6. Step 6: Final answer
    x = 30,544.98

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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.