Home / 30,582.12-42,201.90-18,004.44

Finding the Fourth Proportional to 30,582.12, 42,201.90 and 18,004.44

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Solution

The fourth proportional to 30,582.12, 42,201.90 and 18,004.44 is: 24,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.12 : 42,201.90 = 18,004.44 : x
  2. Step 2: Convert to fraction form
    30,582.12/42,201.90 = 18,004.44/x
  3. Step 3: Cross multiply
    30,582.12x = 42,201.90 × 18,004.44
  4. Step 4: Simplify right side
    30,582.12x = 759,821,576.44
  5. Step 5: Solve for x
    x = 759,821,576.44/30,582.12
  6. Step 6: Final answer
    x = 24,845.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.