Home / 30,269.49-41,767.41-16,840.90

Finding the Fourth Proportional to 30,269.49, 41,767.41 and 16,840.90

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Solution

The fourth proportional to 30,269.49, 41,767.41 and 16,840.90 is: 23,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.49 : 41,767.41 = 16,840.90 : x
  2. Step 2: Convert to fraction form
    30,269.49/41,767.41 = 16,840.90/x
  3. Step 3: Cross multiply
    30,269.49x = 41,767.41 × 16,840.90
  4. Step 4: Simplify right side
    30,269.49x = 703,400,775.07
  5. Step 5: Solve for x
    x = 703,400,775.07/30,269.49
  6. Step 6: Final answer
    x = 23,237.95

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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.