Home / 47,678.44-71,540.89-19,606.93

Finding the Fourth Proportional to 47,678.44, 71,540.89 and 19,606.93

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Solution

The fourth proportional to 47,678.44, 71,540.89 and 19,606.93 is: 29,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.44 : 71,540.89 = 19,606.93 : x
  2. Step 2: Convert to fraction form
    47,678.44/71,540.89 = 19,606.93/x
  3. Step 3: Cross multiply
    47,678.44x = 71,540.89 × 19,606.93
  4. Step 4: Simplify right side
    47,678.44x = 1,402,697,222.37
  5. Step 5: Solve for x
    x = 1,402,697,222.37/47,678.44
  6. Step 6: Final answer
    x = 29,419.95

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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.