Home / 36,631.80-50,549.94-20,719.08

Finding the Fourth Proportional to 36,631.80, 50,549.94 and 20,719.08

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Solution

The fourth proportional to 36,631.80, 50,549.94 and 20,719.08 is: 28,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.80 : 50,549.94 = 20,719.08 : x
  2. Step 2: Convert to fraction form
    36,631.80/50,549.94 = 20,719.08/x
  3. Step 3: Cross multiply
    36,631.80x = 50,549.94 × 20,719.08
  4. Step 4: Simplify right side
    36,631.80x = 1,047,348,250.86
  5. Step 5: Solve for x
    x = 1,047,348,250.86/36,631.80
  6. Step 6: Final answer
    x = 28,591.23

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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.