Home / 36,688.32-50,629.73-20,772.36

Finding the Fourth Proportional to 36,688.32, 50,629.73 and 20,772.36

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Solution

The fourth proportional to 36,688.32, 50,629.73 and 20,772.36 is: 28,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.32 : 50,629.73 = 20,772.36 : x
  2. Step 2: Convert to fraction form
    36,688.32/50,629.73 = 20,772.36/x
  3. Step 3: Cross multiply
    36,688.32x = 50,629.73 × 20,772.36
  4. Step 4: Simplify right side
    36,688.32x = 1,051,698,874.40
  5. Step 5: Solve for x
    x = 1,051,698,874.40/36,688.32
  6. Step 6: Final answer
    x = 28,665.77

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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.