Home / 33,116.72-45,702-18,010.40

Finding the Fourth Proportional to 33,116.72, 45,702 and 18,010.40

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Solution

The fourth proportional to 33,116.72, 45,702 and 18,010.40 is: 24,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.72 : 45,702 = 18,010.40 : x
  2. Step 2: Convert to fraction form
    33,116.72/45,702 = 18,010.40/x
  3. Step 3: Cross multiply
    33,116.72x = 45,702 × 18,010.40
  4. Step 4: Simplify right side
    33,116.72x = 823,111,300.80
  5. Step 5: Solve for x
    x = 823,111,300.80/33,116.72
  6. Step 6: Final answer
    x = 24,854.86

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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.