Home / 30,941.49-46,418.97-17,620.78

Finding the Fourth Proportional to 30,941.49, 46,418.97 and 17,620.78

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Solution

The fourth proportional to 30,941.49, 46,418.97 and 17,620.78 is: 26,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.49 : 46,418.97 = 17,620.78 : x
  2. Step 2: Convert to fraction form
    30,941.49/46,418.97 = 17,620.78/x
  3. Step 3: Cross multiply
    30,941.49x = 46,418.97 × 17,620.78
  4. Step 4: Simplify right side
    30,941.49x = 817,938,516.22
  5. Step 5: Solve for x
    x = 817,938,516.22/30,941.49
  6. Step 6: Final answer
    x = 26,435.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.