Home / 50,664.78-69,918.33-28,005.03

Finding the Fourth Proportional to 50,664.78, 69,918.33 and 28,005.03

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Solution

The fourth proportional to 50,664.78, 69,918.33 and 28,005.03 is: 38,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,664.78 : 69,918.33 = 28,005.03 : x
  2. Step 2: Convert to fraction form
    50,664.78/69,918.33 = 28,005.03/x
  3. Step 3: Cross multiply
    50,664.78x = 69,918.33 × 28,005.03
  4. Step 4: Simplify right side
    50,664.78x = 1,958,064,929.20
  5. Step 5: Solve for x
    x = 1,958,064,929.20/50,664.78
  6. Step 6: Final answer
    x = 38,647.46

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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.