Home / 30,452.86-42,023.23-17,021.44

Finding the Fourth Proportional to 30,452.86, 42,023.23 and 17,021.44

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Solution

The fourth proportional to 30,452.86, 42,023.23 and 17,021.44 is: 23,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.86 : 42,023.23 = 17,021.44 : x
  2. Step 2: Convert to fraction form
    30,452.86/42,023.23 = 17,021.44/x
  3. Step 3: Cross multiply
    30,452.86x = 42,023.23 × 17,021.44
  4. Step 4: Simplify right side
    30,452.86x = 715,295,888.05
  5. Step 5: Solve for x
    x = 715,295,888.05/30,452.86
  6. Step 6: Final answer
    x = 23,488.63

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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.