Home / 36,969.19-51,021.24-21,866.74

Finding the Fourth Proportional to 36,969.19, 51,021.24 and 21,866.74

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Solution

The fourth proportional to 36,969.19, 51,021.24 and 21,866.74 is: 30,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,969.19 : 51,021.24 = 21,866.74 : x
  2. Step 2: Convert to fraction form
    36,969.19/51,021.24 = 21,866.74/x
  3. Step 3: Cross multiply
    36,969.19x = 51,021.24 × 21,866.74
  4. Step 4: Simplify right side
    36,969.19x = 1,115,668,189.56
  5. Step 5: Solve for x
    x = 1,115,668,189.56/36,969.19
  6. Step 6: Final answer
    x = 30,178.32

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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.