Home / 30,135.98-41,590.11-16,711.44

Finding the Fourth Proportional to 30,135.98, 41,590.11 and 16,711.44

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Solution

The fourth proportional to 30,135.98, 41,590.11 and 16,711.44 is: 23,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.98 : 41,590.11 = 16,711.44 : x
  2. Step 2: Convert to fraction form
    30,135.98/41,590.11 = 16,711.44/x
  3. Step 3: Cross multiply
    30,135.98x = 41,590.11 × 16,711.44
  4. Step 4: Simplify right side
    30,135.98x = 695,030,627.86
  5. Step 5: Solve for x
    x = 695,030,627.86/30,135.98
  6. Step 6: Final answer
    x = 23,063.15

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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.