Home / 30,089.54-41,520.21-16,657.43

Finding the Fourth Proportional to 30,089.54, 41,520.21 and 16,657.43

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Solution

The fourth proportional to 30,089.54, 41,520.21 and 16,657.43 is: 22,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.54 : 41,520.21 = 16,657.43 : x
  2. Step 2: Convert to fraction form
    30,089.54/41,520.21 = 16,657.43/x
  3. Step 3: Cross multiply
    30,089.54x = 41,520.21 × 16,657.43
  4. Step 4: Simplify right side
    30,089.54x = 691,620,137.10
  5. Step 5: Solve for x
    x = 691,620,137.10/30,089.54
  6. Step 6: Final answer
    x = 22,985.40

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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.