Home / 30,584.08-42,214.98-19,975.33

Finding the Fourth Proportional to 30,584.08, 42,214.98 and 19,975.33

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Solution

The fourth proportional to 30,584.08, 42,214.98 and 19,975.33 is: 27,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.08 : 42,214.98 = 19,975.33 : x
  2. Step 2: Convert to fraction form
    30,584.08/42,214.98 = 19,975.33/x
  3. Step 3: Cross multiply
    30,584.08x = 42,214.98 × 19,975.33
  4. Step 4: Simplify right side
    30,584.08x = 843,258,156.44
  5. Step 5: Solve for x
    x = 843,258,156.44/30,584.08
  6. Step 6: Final answer
    x = 27,571.80

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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.