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Finding the Fourth Proportional to 36,820.67, 50,810.72 and 20,903.03

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Solution

The fourth proportional to 36,820.67, 50,810.72 and 20,903.03 is: 28,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.67 : 50,810.72 = 20,903.03 : x
  2. Step 2: Convert to fraction form
    36,820.67/50,810.72 = 20,903.03/x
  3. Step 3: Cross multiply
    36,820.67x = 50,810.72 × 20,903.03
  4. Step 4: Simplify right side
    36,820.67x = 1,062,097,899.97
  5. Step 5: Solve for x
    x = 1,062,097,899.97/36,820.67
  6. Step 6: Final answer
    x = 28,845.15

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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.