Home / 36,694.16-50,637.12-20,779.28

Finding the Fourth Proportional to 36,694.16, 50,637.12 and 20,779.28

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Solution

The fourth proportional to 36,694.16, 50,637.12 and 20,779.28 is: 28,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.16 : 50,637.12 = 20,779.28 : x
  2. Step 2: Convert to fraction form
    36,694.16/50,637.12 = 20,779.28/x
  3. Step 3: Cross multiply
    36,694.16x = 50,637.12 × 20,779.28
  4. Step 4: Simplify right side
    36,694.16x = 1,052,202,894.87
  5. Step 5: Solve for x
    x = 1,052,202,894.87/36,694.16
  6. Step 6: Final answer
    x = 28,674.94

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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.