Home / 36,348.56-50,146.80-20,429.36

Finding the Fourth Proportional to 36,348.56, 50,146.80 and 20,429.36

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Solution

The fourth proportional to 36,348.56, 50,146.80 and 20,429.36 is: 28,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,348.56 : 50,146.80 = 20,429.36 : x
  2. Step 2: Convert to fraction form
    36,348.56/50,146.80 = 20,429.36/x
  3. Step 3: Cross multiply
    36,348.56x = 50,146.80 × 20,429.36
  4. Step 4: Simplify right side
    36,348.56x = 1,024,467,030.05
  5. Step 5: Solve for x
    x = 1,024,467,030.05/36,348.56
  6. Step 6: Final answer
    x = 28,184.53

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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.