Home / 36,295.04-50,089.36-20,380.56

Finding the Fourth Proportional to 36,295.04, 50,089.36 and 20,380.56

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Solution

The fourth proportional to 36,295.04, 50,089.36 and 20,380.56 is: 28,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.04 : 50,089.36 = 20,380.56 : x
  2. Step 2: Convert to fraction form
    36,295.04/50,089.36 = 20,380.56/x
  3. Step 3: Cross multiply
    36,295.04x = 50,089.36 × 20,380.56
  4. Step 4: Simplify right side
    36,295.04x = 1,020,849,206.84
  5. Step 5: Solve for x
    x = 1,020,849,206.84/36,295.04
  6. Step 6: Final answer
    x = 28,126.41

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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.