Home / 30,690.63-46,045.67-10,968.75

Finding the Fourth Proportional to 30,690.63, 46,045.67 and 10,968.75

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Solution

The fourth proportional to 30,690.63, 46,045.67 and 10,968.75 is: 16,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.63 : 46,045.67 = 10,968.75 : x
  2. Step 2: Convert to fraction form
    30,690.63/46,045.67 = 10,968.75/x
  3. Step 3: Cross multiply
    30,690.63x = 46,045.67 × 10,968.75
  4. Step 4: Simplify right side
    30,690.63x = 505,063,387.97
  5. Step 5: Solve for x
    x = 505,063,387.97/30,690.63
  6. Step 6: Final answer
    x = 16,456.60

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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.