Home / 30,979.44-46,488.60-28,986.84

Finding the Fourth Proportional to 30,979.44, 46,488.60 and 28,986.84

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Solution

The fourth proportional to 30,979.44, 46,488.60 and 28,986.84 is: 43,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.44 : 46,488.60 = 28,986.84 : x
  2. Step 2: Convert to fraction form
    30,979.44/46,488.60 = 28,986.84/x
  3. Step 3: Cross multiply
    30,979.44x = 46,488.60 × 28,986.84
  4. Step 4: Simplify right side
    30,979.44x = 1,347,557,610.02
  5. Step 5: Solve for x
    x = 1,347,557,610.02/30,979.44
  6. Step 6: Final answer
    x = 43,498.45

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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.