Home / 30,751.38-46,122.83-12,018.42

Finding the Fourth Proportional to 30,751.38, 46,122.83 and 12,018.42

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Solution

The fourth proportional to 30,751.38, 46,122.83 and 12,018.42 is: 18,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.38 : 46,122.83 = 12,018.42 : x
  2. Step 2: Convert to fraction form
    30,751.38/46,122.83 = 12,018.42/x
  3. Step 3: Cross multiply
    30,751.38x = 46,122.83 × 12,018.42
  4. Step 4: Simplify right side
    30,751.38x = 554,323,542.53
  5. Step 5: Solve for x
    x = 554,323,542.53/30,751.38
  6. Step 6: Final answer
    x = 18,025.97

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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.