Home / 30,131.19-41,579.83-16,518.94

Finding the Fourth Proportional to 30,131.19, 41,579.83 and 16,518.94

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Solution

The fourth proportional to 30,131.19, 41,579.83 and 16,518.94 is: 22,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.19 : 41,579.83 = 16,518.94 : x
  2. Step 2: Convert to fraction form
    30,131.19/41,579.83 = 16,518.94/x
  3. Step 3: Cross multiply
    30,131.19x = 41,579.83 × 16,518.94
  4. Step 4: Simplify right side
    30,131.19x = 686,854,633.68
  5. Step 5: Solve for x
    x = 686,854,633.68/30,131.19
  6. Step 6: Final answer
    x = 22,795.47

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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.