Home / 36,631.34-50,559.49-20,720.91

Finding the Fourth Proportional to 36,631.34, 50,559.49 and 20,720.91

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Solution

The fourth proportional to 36,631.34, 50,559.49 and 20,720.91 is: 28,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.34 : 50,559.49 = 20,720.91 : x
  2. Step 2: Convert to fraction form
    36,631.34/50,559.49 = 20,720.91/x
  3. Step 3: Cross multiply
    36,631.34x = 50,559.49 × 20,720.91
  4. Step 4: Simplify right side
    36,631.34x = 1,047,638,857.44
  5. Step 5: Solve for x
    x = 1,047,638,857.44/36,631.34
  6. Step 6: Final answer
    x = 28,599.52

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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.