Home / 30,051.60-41,469.50-16,621.96

Finding the Fourth Proportional to 30,051.60, 41,469.50 and 16,621.96

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Solution

The fourth proportional to 30,051.60, 41,469.50 and 16,621.96 is: 22,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.60 : 41,469.50 = 16,621.96 : x
  2. Step 2: Convert to fraction form
    30,051.60/41,469.50 = 16,621.96/x
  3. Step 3: Cross multiply
    30,051.60x = 41,469.50 × 16,621.96
  4. Step 4: Simplify right side
    30,051.60x = 689,304,370.22
  5. Step 5: Solve for x
    x = 689,304,370.22/30,051.60
  6. Step 6: Final answer
    x = 22,937.36

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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.