Home / 33,068.85-45,637.29-18,728.50

Finding the Fourth Proportional to 33,068.85, 45,637.29 and 18,728.50

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Solution

The fourth proportional to 33,068.85, 45,637.29 and 18,728.50 is: 25,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.85 : 45,637.29 = 18,728.50 : x
  2. Step 2: Convert to fraction form
    33,068.85/45,637.29 = 18,728.50/x
  3. Step 3: Cross multiply
    33,068.85x = 45,637.29 × 18,728.50
  4. Step 4: Simplify right side
    33,068.85x = 854,717,985.77
  5. Step 5: Solve for x
    x = 854,717,985.77/33,068.85
  6. Step 6: Final answer
    x = 25,846.62

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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.