Home / 29,877.36-41,243.51-21,269.10

Finding the Fourth Proportional to 29,877.36, 41,243.51 and 21,269.10

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Solution

The fourth proportional to 29,877.36, 41,243.51 and 21,269.10 is: 29,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,877.36 : 41,243.51 = 21,269.10 : x
  2. Step 2: Convert to fraction form
    29,877.36/41,243.51 = 21,269.10/x
  3. Step 3: Cross multiply
    29,877.36x = 41,243.51 × 21,269.10
  4. Step 4: Simplify right side
    29,877.36x = 877,212,338.54
  5. Step 5: Solve for x
    x = 877,212,338.54/29,877.36
  6. Step 6: Final answer
    x = 29,360.44

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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.