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Finding the Fourth Proportional to 55,696.56, 76,861.48 and 33,340.56

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Solution

The fourth proportional to 55,696.56, 76,861.48 and 33,340.56 is: 46,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.56 : 76,861.48 = 33,340.56 : x
  2. Step 2: Convert to fraction form
    55,696.56/76,861.48 = 33,340.56/x
  3. Step 3: Cross multiply
    55,696.56x = 76,861.48 × 33,340.56
  4. Step 4: Simplify right side
    55,696.56x = 2,562,604,785.63
  5. Step 5: Solve for x
    x = 2,562,604,785.63/55,696.56
  6. Step 6: Final answer
    x = 46,010.11

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1.5x scale

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.