Home / 50,428.64-69,610.54-39,645.36

Finding the Fourth Proportional to 50,428.64, 69,610.54 and 39,645.36

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Solution

The fourth proportional to 50,428.64, 69,610.54 and 39,645.36 is: 54,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.64 : 69,610.54 = 39,645.36 : x
  2. Step 2: Convert to fraction form
    50,428.64/69,610.54 = 39,645.36/x
  3. Step 3: Cross multiply
    50,428.64x = 69,610.54 × 39,645.36
  4. Step 4: Simplify right side
    50,428.64x = 2,759,734,918.09
  5. Step 5: Solve for x
    x = 2,759,734,918.09/50,428.64
  6. Step 6: Final answer
    x = 54,725.55

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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.