Home / 36,700.80-50,645.40-20,785.37

Finding the Fourth Proportional to 36,700.80, 50,645.40 and 20,785.37

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Solution

The fourth proportional to 36,700.80, 50,645.40 and 20,785.37 is: 28,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.80 : 50,645.40 = 20,785.37 : x
  2. Step 2: Convert to fraction form
    36,700.80/50,645.40 = 20,785.37/x
  3. Step 3: Cross multiply
    36,700.80x = 50,645.40 × 20,785.37
  4. Step 4: Simplify right side
    36,700.80x = 1,052,683,124.57
  5. Step 5: Solve for x
    x = 1,052,683,124.57/36,700.80
  6. Step 6: Final answer
    x = 28,682.84

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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.