Home / 28,678.14-43,043.13-12,050.46

Finding the Fourth Proportional to 28,678.14, 43,043.13 and 12,050.46

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Solution

The fourth proportional to 28,678.14, 43,043.13 and 12,050.46 is: 18,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.14 : 43,043.13 = 12,050.46 : x
  2. Step 2: Convert to fraction form
    28,678.14/43,043.13 = 12,050.46/x
  3. Step 3: Cross multiply
    28,678.14x = 43,043.13 × 12,050.46
  4. Step 4: Simplify right side
    28,678.14x = 518,689,516.34
  5. Step 5: Solve for x
    x = 518,689,516.34/28,678.14
  6. Step 6: Final answer
    x = 18,086.58

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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.