Home / 30,971.38-46,442.44-12,004.90

Finding the Fourth Proportional to 30,971.38, 46,442.44 and 12,004.90

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Solution

The fourth proportional to 30,971.38, 46,442.44 and 12,004.90 is: 18,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971.38 : 46,442.44 = 12,004.90 : x
  2. Step 2: Convert to fraction form
    30,971.38/46,442.44 = 12,004.90/x
  3. Step 3: Cross multiply
    30,971.38x = 46,442.44 × 12,004.90
  4. Step 4: Simplify right side
    30,971.38x = 557,536,847.96
  5. Step 5: Solve for x
    x = 557,536,847.96/30,971.38
  6. Step 6: Final answer
    x = 18,001.68

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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.