Home / 47,639.09-71,459.24-18,048.98

Finding the Fourth Proportional to 47,639.09, 71,459.24 and 18,048.98

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Solution

The fourth proportional to 47,639.09, 71,459.24 and 18,048.98 is: 27,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.09 : 71,459.24 = 18,048.98 : x
  2. Step 2: Convert to fraction form
    47,639.09/71,459.24 = 18,048.98/x
  3. Step 3: Cross multiply
    47,639.09x = 71,459.24 × 18,048.98
  4. Step 4: Simplify right side
    47,639.09x = 1,289,765,946.03
  5. Step 5: Solve for x
    x = 1,289,765,946.03/47,639.09
  6. Step 6: Final answer
    x = 27,073.69

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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.