Home / 36,723.71-50,677.73-20,813.28

Finding the Fourth Proportional to 36,723.71, 50,677.73 and 20,813.28

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Solution

The fourth proportional to 36,723.71, 50,677.73 and 20,813.28 is: 28,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.71 : 50,677.73 = 20,813.28 : x
  2. Step 2: Convert to fraction form
    36,723.71/50,677.73 = 20,813.28/x
  3. Step 3: Cross multiply
    36,723.71x = 50,677.73 × 20,813.28
  4. Step 4: Simplify right side
    36,723.71x = 1,054,769,784.25
  5. Step 5: Solve for x
    x = 1,054,769,784.25/36,723.71
  6. Step 6: Final answer
    x = 28,721.77

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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.