Home / 53,450.33-80,172.59-20,169.59

Finding the Fourth Proportional to 53,450.33, 80,172.59 and 20,169.59

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Solution

The fourth proportional to 53,450.33, 80,172.59 and 20,169.59 is: 30,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.33 : 80,172.59 = 20,169.59 : x
  2. Step 2: Convert to fraction form
    53,450.33/80,172.59 = 20,169.59/x
  3. Step 3: Cross multiply
    53,450.33x = 80,172.59 × 20,169.59
  4. Step 4: Simplify right side
    53,450.33x = 1,617,047,767.83
  5. Step 5: Solve for x
    x = 1,617,047,767.83/53,450.33
  6. Step 6: Final answer
    x = 30,253.28

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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.