Home / 36,726.48-50,674.20-20,807.28

Finding the Fourth Proportional to 36,726.48, 50,674.20 and 20,807.28

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Solution

The fourth proportional to 36,726.48, 50,674.20 and 20,807.28 is: 28,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,726.48 : 50,674.20 = 20,807.28 : x
  2. Step 2: Convert to fraction form
    36,726.48/50,674.20 = 20,807.28/x
  3. Step 3: Cross multiply
    36,726.48x = 50,674.20 × 20,807.28
  4. Step 4: Simplify right side
    36,726.48x = 1,054,392,268.18
  5. Step 5: Solve for x
    x = 1,054,392,268.18/36,726.48
  6. Step 6: Final answer
    x = 28,709.32

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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.