Home / 36,690.04-50,623.86-20,772.28

Finding the Fourth Proportional to 36,690.04, 50,623.86 and 20,772.28

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Solution

The fourth proportional to 36,690.04, 50,623.86 and 20,772.28 is: 28,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.04 : 50,623.86 = 20,772.28 : x
  2. Step 2: Convert to fraction form
    36,690.04/50,623.86 = 20,772.28/x
  3. Step 3: Cross multiply
    36,690.04x = 50,623.86 × 20,772.28
  4. Step 4: Simplify right side
    36,690.04x = 1,051,572,994.60
  5. Step 5: Solve for x
    x = 1,051,572,994.60/36,690.04
  6. Step 6: Final answer
    x = 28,660.99

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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.