Home / 31,306.55-46,959.82-18,968.63

Finding the Fourth Proportional to 31,306.55, 46,959.82 and 18,968.63

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Solution

The fourth proportional to 31,306.55, 46,959.82 and 18,968.63 is: 28,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.55 : 46,959.82 = 18,968.63 : x
  2. Step 2: Convert to fraction form
    31,306.55/46,959.82 = 18,968.63/x
  3. Step 3: Cross multiply
    31,306.55x = 46,959.82 × 18,968.63
  4. Step 4: Simplify right side
    31,306.55x = 890,763,450.45
  5. Step 5: Solve for x
    x = 890,763,450.45/31,306.55
  6. Step 6: Final answer
    x = 28,452.94

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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.