Home / 47,943.16-71,915.34-18,362.77

Finding the Fourth Proportional to 47,943.16, 71,915.34 and 18,362.77

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Solution

The fourth proportional to 47,943.16, 71,915.34 and 18,362.77 is: 27,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.16 : 71,915.34 = 18,362.77 : x
  2. Step 2: Convert to fraction form
    47,943.16/71,915.34 = 18,362.77/x
  3. Step 3: Cross multiply
    47,943.16x = 71,915.34 × 18,362.77
  4. Step 4: Simplify right side
    47,943.16x = 1,320,564,736.96
  5. Step 5: Solve for x
    x = 1,320,564,736.96/47,943.16
  6. Step 6: Final answer
    x = 27,544.38

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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.