Home / 37,986.87-52,421.60-20,992.26

Finding the Fourth Proportional to 37,986.87, 52,421.60 and 20,992.26

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Solution

The fourth proportional to 37,986.87, 52,421.60 and 20,992.26 is: 28,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.87 : 52,421.60 = 20,992.26 : x
  2. Step 2: Convert to fraction form
    37,986.87/52,421.60 = 20,992.26/x
  3. Step 3: Cross multiply
    37,986.87x = 52,421.60 × 20,992.26
  4. Step 4: Simplify right side
    37,986.87x = 1,100,447,751.85
  5. Step 5: Solve for x
    x = 1,100,447,751.85/37,986.87
  6. Step 6: Final answer
    x = 28,969.16

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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.