Home / 36,287.56-50,075.22-20,371.72

Finding the Fourth Proportional to 36,287.56, 50,075.22 and 20,371.72

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Solution

The fourth proportional to 36,287.56, 50,075.22 and 20,371.72 is: 28,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.56 : 50,075.22 = 20,371.72 : x
  2. Step 2: Convert to fraction form
    36,287.56/50,075.22 = 20,371.72/x
  3. Step 3: Cross multiply
    36,287.56x = 50,075.22 × 20,371.72
  4. Step 4: Simplify right side
    36,287.56x = 1,020,118,360.78
  5. Step 5: Solve for x
    x = 1,020,118,360.78/36,287.56
  6. Step 6: Final answer
    x = 28,112.07

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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.