Home / 36,887.81-50,901.76-20,969.15

Finding the Fourth Proportional to 36,887.81, 50,901.76 and 20,969.15

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Solution

The fourth proportional to 36,887.81, 50,901.76 and 20,969.15 is: 28,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.81 : 50,901.76 = 20,969.15 : x
  2. Step 2: Convert to fraction form
    36,887.81/50,901.76 = 20,969.15/x
  3. Step 3: Cross multiply
    36,887.81x = 50,901.76 × 20,969.15
  4. Step 4: Simplify right side
    36,887.81x = 1,067,366,640.70
  5. Step 5: Solve for x
    x = 1,067,366,640.70/36,887.81
  6. Step 6: Final answer
    x = 28,935.48

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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.