Home / 36,680.64-50,618.28-20,766.57

Finding the Fourth Proportional to 36,680.64, 50,618.28 and 20,766.57

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Solution

The fourth proportional to 36,680.64, 50,618.28 and 20,766.57 is: 28,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.64 : 50,618.28 = 20,766.57 : x
  2. Step 2: Convert to fraction form
    36,680.64/50,618.28 = 20,766.57/x
  3. Step 3: Cross multiply
    36,680.64x = 50,618.28 × 20,766.57
  4. Step 4: Simplify right side
    36,680.64x = 1,051,168,054.90
  5. Step 5: Solve for x
    x = 1,051,168,054.90/36,680.64
  6. Step 6: Final answer
    x = 28,657.30

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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.