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Finding the Fourth Proportional to 45,859.41, 68,777.56 and 17,769.82

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Solution

The fourth proportional to 45,859.41, 68,777.56 and 17,769.82 is: 26,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.41 : 68,777.56 = 17,769.82 : x
  2. Step 2: Convert to fraction form
    45,859.41/68,777.56 = 17,769.82/x
  3. Step 3: Cross multiply
    45,859.41x = 68,777.56 × 17,769.82
  4. Step 4: Simplify right side
    45,859.41x = 1,222,164,861.24
  5. Step 5: Solve for x
    x = 1,222,164,861.24/45,859.41
  6. Step 6: Final answer
    x = 26,650.25

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1.5x scale

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.