Home / 30,268.62-45,235.67-22,387.86

Finding the Fourth Proportional to 30,268.62, 45,235.67 and 22,387.86

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Solution

The fourth proportional to 30,268.62, 45,235.67 and 22,387.86 is: 33,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.62 : 45,235.67 = 22,387.86 : x
  2. Step 2: Convert to fraction form
    30,268.62/45,235.67 = 22,387.86/x
  3. Step 3: Cross multiply
    30,268.62x = 45,235.67 × 22,387.86
  4. Step 4: Simplify right side
    30,268.62x = 1,012,729,735.03
  5. Step 5: Solve for x
    x = 1,012,729,735.03/30,268.62
  6. Step 6: Final answer
    x = 33,458.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.