Home / 37,986.91-52,421.73-20,992.33

Finding the Fourth Proportional to 37,986.91, 52,421.73 and 20,992.33

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Solution

The fourth proportional to 37,986.91, 52,421.73 and 20,992.33 is: 28,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.91 : 52,421.73 = 20,992.33 : x
  2. Step 2: Convert to fraction form
    37,986.91/52,421.73 = 20,992.33/x
  3. Step 3: Cross multiply
    37,986.91x = 52,421.73 × 20,992.33
  4. Step 4: Simplify right side
    37,986.91x = 1,100,454,360.22
  5. Step 5: Solve for x
    x = 1,100,454,360.22/37,986.91
  6. Step 6: Final answer
    x = 28,969.31

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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.