Home / 36,720.09-50,673.60-20,807.57

Finding the Fourth Proportional to 36,720.09, 50,673.60 and 20,807.57

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Solution

The fourth proportional to 36,720.09, 50,673.60 and 20,807.57 is: 28,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.09 : 50,673.60 = 20,807.57 : x
  2. Step 2: Convert to fraction form
    36,720.09/50,673.60 = 20,807.57/x
  3. Step 3: Cross multiply
    36,720.09x = 50,673.60 × 20,807.57
  4. Step 4: Simplify right side
    36,720.09x = 1,054,394,605.84
  5. Step 5: Solve for x
    x = 1,054,394,605.84/36,720.09
  6. Step 6: Final answer
    x = 28,714.38

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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.