Home / 47,628.63-71,437.89-19,551.66

Finding the Fourth Proportional to 47,628.63, 71,437.89 and 19,551.66

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Solution

The fourth proportional to 47,628.63, 71,437.89 and 19,551.66 is: 29,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,628.63 : 71,437.89 = 19,551.66 : x
  2. Step 2: Convert to fraction form
    47,628.63/71,437.89 = 19,551.66/x
  3. Step 3: Cross multiply
    47,628.63x = 71,437.89 × 19,551.66
  4. Step 4: Simplify right side
    47,628.63x = 1,396,729,336.40
  5. Step 5: Solve for x
    x = 1,396,729,336.40/47,628.63
  6. Step 6: Final answer
    x = 29,325.41

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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.