Home / 45,821.58-68,615.70-30,191.82

Finding the Fourth Proportional to 45,821.58, 68,615.70 and 30,191.82

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Solution

The fourth proportional to 45,821.58, 68,615.70 and 30,191.82 is: 45,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.58 : 68,615.70 = 30,191.82 : x
  2. Step 2: Convert to fraction form
    45,821.58/68,615.70 = 30,191.82/x
  3. Step 3: Cross multiply
    45,821.58x = 68,615.70 × 30,191.82
  4. Step 4: Simplify right side
    45,821.58x = 2,071,632,863.57
  5. Step 5: Solve for x
    x = 2,071,632,863.57/45,821.58
  6. Step 6: Final answer
    x = 45,210.86

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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.