Home / 43,940.05-65,916.48-13,944.25

Finding the Fourth Proportional to 43,940.05, 65,916.48 and 13,944.25

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Solution

The fourth proportional to 43,940.05, 65,916.48 and 13,944.25 is: 20,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.05 : 65,916.48 = 13,944.25 : x
  2. Step 2: Convert to fraction form
    43,940.05/65,916.48 = 13,944.25/x
  3. Step 3: Cross multiply
    43,940.05x = 65,916.48 × 13,944.25
  4. Step 4: Simplify right side
    43,940.05x = 919,155,876.24
  5. Step 5: Solve for x
    x = 919,155,876.24/43,940.05
  6. Step 6: Final answer
    x = 20,918.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.