Home / 39,046.76-53,884.44-21,141.75

Finding the Fourth Proportional to 39,046.76, 53,884.44 and 21,141.75

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Solution

The fourth proportional to 39,046.76, 53,884.44 and 21,141.75 is: 29,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.76 : 53,884.44 = 21,141.75 : x
  2. Step 2: Convert to fraction form
    39,046.76/53,884.44 = 21,141.75/x
  3. Step 3: Cross multiply
    39,046.76x = 53,884.44 × 21,141.75
  4. Step 4: Simplify right side
    39,046.76x = 1,139,211,359.37
  5. Step 5: Solve for x
    x = 1,139,211,359.37/39,046.76
  6. Step 6: Final answer
    x = 29,175.57

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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.