Home / 36,688.66-50,639.41-20,782.49

Finding the Fourth Proportional to 36,688.66, 50,639.41 and 20,782.49

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Solution

The fourth proportional to 36,688.66, 50,639.41 and 20,782.49 is: 28,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.66 : 50,639.41 = 20,782.49 : x
  2. Step 2: Convert to fraction form
    36,688.66/50,639.41 = 20,782.49/x
  3. Step 3: Cross multiply
    36,688.66x = 50,639.41 × 20,782.49
  4. Step 4: Simplify right side
    36,688.66x = 1,052,412,804.71
  5. Step 5: Solve for x
    x = 1,052,412,804.71/36,688.66
  6. Step 6: Final answer
    x = 28,684.96

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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.