Home / 36,720.58-50,676.45-20,810.15

Finding the Fourth Proportional to 36,720.58, 50,676.45 and 20,810.15

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Solution

The fourth proportional to 36,720.58, 50,676.45 and 20,810.15 is: 28,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.58 : 50,676.45 = 20,810.15 : x
  2. Step 2: Convert to fraction form
    36,720.58/50,676.45 = 20,810.15/x
  3. Step 3: Cross multiply
    36,720.58x = 50,676.45 × 20,810.15
  4. Step 4: Simplify right side
    36,720.58x = 1,054,584,525.97
  5. Step 5: Solve for x
    x = 1,054,584,525.97/36,720.58
  6. Step 6: Final answer
    x = 28,719.17

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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.