Home / 30,126.20-41,572.58-16,697.30

Finding the Fourth Proportional to 30,126.20, 41,572.58 and 16,697.30

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Solution

The fourth proportional to 30,126.20, 41,572.58 and 16,697.30 is: 23,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.20 : 41,572.58 = 16,697.30 : x
  2. Step 2: Convert to fraction form
    30,126.20/41,572.58 = 16,697.30/x
  3. Step 3: Cross multiply
    30,126.20x = 41,572.58 × 16,697.30
  4. Step 4: Simplify right side
    30,126.20x = 694,149,548.68
  5. Step 5: Solve for x
    x = 694,149,548.68/30,126.20
  6. Step 6: Final answer
    x = 23,041.39

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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.