Home / 30,935.88-46,408.44-13,166.40

Finding the Fourth Proportional to 30,935.88, 46,408.44 and 13,166.40

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Solution

The fourth proportional to 30,935.88, 46,408.44 and 13,166.40 is: 19,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.88 : 46,408.44 = 13,166.40 : x
  2. Step 2: Convert to fraction form
    30,935.88/46,408.44 = 13,166.40/x
  3. Step 3: Cross multiply
    30,935.88x = 46,408.44 × 13,166.40
  4. Step 4: Simplify right side
    30,935.88x = 611,032,084.42
  5. Step 5: Solve for x
    x = 611,032,084.42/30,935.88
  6. Step 6: Final answer
    x = 19,751.57

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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.