Home / 30,740.38-46,121.50-15,168.94

Finding the Fourth Proportional to 30,740.38, 46,121.50 and 15,168.94

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Solution

The fourth proportional to 30,740.38, 46,121.50 and 15,168.94 is: 22,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.38 : 46,121.50 = 15,168.94 : x
  2. Step 2: Convert to fraction form
    30,740.38/46,121.50 = 15,168.94/x
  3. Step 3: Cross multiply
    30,740.38x = 46,121.50 × 15,168.94
  4. Step 4: Simplify right side
    30,740.38x = 699,614,266.21
  5. Step 5: Solve for x
    x = 699,614,266.21/30,740.38
  6. Step 6: Final answer
    x = 22,758.80

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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.