Home / 30,138.20-41,591.21-16,710.02

Finding the Fourth Proportional to 30,138.20, 41,591.21 and 16,710.02

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Solution

The fourth proportional to 30,138.20, 41,591.21 and 16,710.02 is: 23,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.20 : 41,591.21 = 16,710.02 : x
  2. Step 2: Convert to fraction form
    30,138.20/41,591.21 = 16,710.02/x
  3. Step 3: Cross multiply
    30,138.20x = 41,591.21 × 16,710.02
  4. Step 4: Simplify right side
    30,138.20x = 694,989,950.92
  5. Step 5: Solve for x
    x = 694,989,950.92/30,138.20
  6. Step 6: Final answer
    x = 23,060.10

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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.