Home / 47,063.81-70,580.05-18,976.61

Finding the Fourth Proportional to 47,063.81, 70,580.05 and 18,976.61

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Solution

The fourth proportional to 47,063.81, 70,580.05 and 18,976.61 is: 28,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,063.81 : 70,580.05 = 18,976.61 : x
  2. Step 2: Convert to fraction form
    47,063.81/70,580.05 = 18,976.61/x
  3. Step 3: Cross multiply
    47,063.81x = 70,580.05 × 18,976.61
  4. Step 4: Simplify right side
    47,063.81x = 1,339,369,682.29
  5. Step 5: Solve for x
    x = 1,339,369,682.29/47,063.81
  6. Step 6: Final answer
    x = 28,458.59

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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.