Home / 36,286.29-50,075.06-20,370.78

Finding the Fourth Proportional to 36,286.29, 50,075.06 and 20,370.78

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Solution

The fourth proportional to 36,286.29, 50,075.06 and 20,370.78 is: 28,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.29 : 50,075.06 = 20,370.78 : x
  2. Step 2: Convert to fraction form
    36,286.29/50,075.06 = 20,370.78/x
  3. Step 3: Cross multiply
    36,286.29x = 50,075.06 × 20,370.78
  4. Step 4: Simplify right side
    36,286.29x = 1,020,067,928.89
  5. Step 5: Solve for x
    x = 1,020,067,928.89/36,286.29
  6. Step 6: Final answer
    x = 28,111.66

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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.