Home / 36,636.48-50,554.08-20,720.16

Finding the Fourth Proportional to 36,636.48, 50,554.08 and 20,720.16

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Solution

The fourth proportional to 36,636.48, 50,554.08 and 20,720.16 is: 28,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.48 : 50,554.08 = 20,720.16 : x
  2. Step 2: Convert to fraction form
    36,636.48/50,554.08 = 20,720.16/x
  3. Step 3: Cross multiply
    36,636.48x = 50,554.08 × 20,720.16
  4. Step 4: Simplify right side
    36,636.48x = 1,047,488,626.25
  5. Step 5: Solve for x
    x = 1,047,488,626.25/36,636.48
  6. Step 6: Final answer
    x = 28,591.41

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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.