Home / 30,063.56-45,095.30-12,059.92

Finding the Fourth Proportional to 30,063.56, 45,095.30 and 12,059.92

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Solution

The fourth proportional to 30,063.56, 45,095.30 and 12,059.92 is: 18,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.56 : 45,095.30 = 12,059.92 : x
  2. Step 2: Convert to fraction form
    30,063.56/45,095.30 = 12,059.92/x
  3. Step 3: Cross multiply
    30,063.56x = 45,095.30 × 12,059.92
  4. Step 4: Simplify right side
    30,063.56x = 543,845,710.38
  5. Step 5: Solve for x
    x = 543,845,710.38/30,063.56
  6. Step 6: Final answer
    x = 18,089.86

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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.