Home / 34,693.64-47,876.99-18,777.75

Finding the Fourth Proportional to 34,693.64, 47,876.99 and 18,777.75

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Solution

The fourth proportional to 34,693.64, 47,876.99 and 18,777.75 is: 25,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.64 : 47,876.99 = 18,777.75 : x
  2. Step 2: Convert to fraction form
    34,693.64/47,876.99 = 18,777.75/x
  3. Step 3: Cross multiply
    34,693.64x = 47,876.99 × 18,777.75
  4. Step 4: Simplify right side
    34,693.64x = 899,022,148.97
  5. Step 5: Solve for x
    x = 899,022,148.97/34,693.64
  6. Step 6: Final answer
    x = 25,913.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.