Home / 45,144.36-62,268.24-30,972.60

Finding the Fourth Proportional to 45,144.36, 62,268.24 and 30,972.60

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Solution

The fourth proportional to 45,144.36, 62,268.24 and 30,972.60 is: 42,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.36 : 62,268.24 = 30,972.60 : x
  2. Step 2: Convert to fraction form
    45,144.36/62,268.24 = 30,972.60/x
  3. Step 3: Cross multiply
    45,144.36x = 62,268.24 × 30,972.60
  4. Step 4: Simplify right side
    45,144.36x = 1,928,609,290.22
  5. Step 5: Solve for x
    x = 1,928,609,290.22/45,144.36
  6. Step 6: Final answer
    x = 42,720.94

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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.