Home / 30,530.43-45,812.66-16,490.16

Finding the Fourth Proportional to 30,530.43, 45,812.66 and 16,490.16

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Solution

The fourth proportional to 30,530.43, 45,812.66 and 16,490.16 is: 24,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.43 : 45,812.66 = 16,490.16 : x
  2. Step 2: Convert to fraction form
    30,530.43/45,812.66 = 16,490.16/x
  3. Step 3: Cross multiply
    30,530.43x = 45,812.66 × 16,490.16
  4. Step 4: Simplify right side
    30,530.43x = 755,458,010.97
  5. Step 5: Solve for x
    x = 755,458,010.97/30,530.43
  6. Step 6: Final answer
    x = 24,744.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.