Home / 39,046.49-53,883.90-21,141.44

Finding the Fourth Proportional to 39,046.49, 53,883.90 and 21,141.44

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Solution

The fourth proportional to 39,046.49, 53,883.90 and 21,141.44 is: 29,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.49 : 53,883.90 = 21,141.44 : x
  2. Step 2: Convert to fraction form
    39,046.49/53,883.90 = 21,141.44/x
  3. Step 3: Cross multiply
    39,046.49x = 53,883.90 × 21,141.44
  4. Step 4: Simplify right side
    39,046.49x = 1,139,183,171.46
  5. Step 5: Solve for x
    x = 1,139,183,171.46/39,046.49
  6. Step 6: Final answer
    x = 29,175.05

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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.