Home / 36,720.16-50,673.87-20,805.68

Finding the Fourth Proportional to 36,720.16, 50,673.87 and 20,805.68

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Solution

The fourth proportional to 36,720.16, 50,673.87 and 20,805.68 is: 28,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.16 : 50,673.87 = 20,805.68 : x
  2. Step 2: Convert to fraction form
    36,720.16/50,673.87 = 20,805.68/x
  3. Step 3: Cross multiply
    36,720.16x = 50,673.87 × 20,805.68
  4. Step 4: Simplify right side
    36,720.16x = 1,054,304,219.55
  5. Step 5: Solve for x
    x = 1,054,304,219.55/36,720.16
  6. Step 6: Final answer
    x = 28,711.87

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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.