Home / 36,031.12-49,722.52-20,923.76

Finding the Fourth Proportional to 36,031.12, 49,722.52 and 20,923.76

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Solution

The fourth proportional to 36,031.12, 49,722.52 and 20,923.76 is: 28,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.12 : 49,722.52 = 20,923.76 : x
  2. Step 2: Convert to fraction form
    36,031.12/49,722.52 = 20,923.76/x
  3. Step 3: Cross multiply
    36,031.12x = 49,722.52 × 20,923.76
  4. Step 4: Simplify right side
    36,031.12x = 1,040,382,075.08
  5. Step 5: Solve for x
    x = 1,040,382,075.08/36,031.12
  6. Step 6: Final answer
    x = 28,874.54

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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.