Home / 37,766.32-52,118.84-20,771.86

Finding the Fourth Proportional to 37,766.32, 52,118.84 and 20,771.86

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Solution

The fourth proportional to 37,766.32, 52,118.84 and 20,771.86 is: 28,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,766.32 : 52,118.84 = 20,771.86 : x
  2. Step 2: Convert to fraction form
    37,766.32/52,118.84 = 20,771.86/x
  3. Step 3: Cross multiply
    37,766.32x = 52,118.84 × 20,771.86
  4. Step 4: Simplify right side
    37,766.32x = 1,082,605,247.84
  5. Step 5: Solve for x
    x = 1,082,605,247.84/37,766.32
  6. Step 6: Final answer
    x = 28,665.89

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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.