Home / 36,288.72-50,075.01-20,370.06

Finding the Fourth Proportional to 36,288.72, 50,075.01 and 20,370.06

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Solution

The fourth proportional to 36,288.72, 50,075.01 and 20,370.06 is: 28,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.72 : 50,075.01 = 20,370.06 : x
  2. Step 2: Convert to fraction form
    36,288.72/50,075.01 = 20,370.06/x
  3. Step 3: Cross multiply
    36,288.72x = 50,075.01 × 20,370.06
  4. Step 4: Simplify right side
    36,288.72x = 1,020,030,958.20
  5. Step 5: Solve for x
    x = 1,020,030,958.20/36,288.72
  6. Step 6: Final answer
    x = 28,108.76

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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.