Home / 37,879.68-52,271.49-20,884.08

Finding the Fourth Proportional to 37,879.68, 52,271.49 and 20,884.08

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Solution

The fourth proportional to 37,879.68, 52,271.49 and 20,884.08 is: 28,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.68 : 52,271.49 = 20,884.08 : x
  2. Step 2: Convert to fraction form
    37,879.68/52,271.49 = 20,884.08/x
  3. Step 3: Cross multiply
    37,879.68x = 52,271.49 × 20,884.08
  4. Step 4: Simplify right side
    37,879.68x = 1,091,641,978.88
  5. Step 5: Solve for x
    x = 1,091,641,978.88/37,879.68
  6. Step 6: Final answer
    x = 28,818.67

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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.