Home / 55,042.74-82,561.68-38,353.50

Finding the Fourth Proportional to 55,042.74, 82,561.68 and 38,353.50

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Solution

The fourth proportional to 55,042.74, 82,561.68 and 38,353.50 is: 57,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.74 : 82,561.68 = 38,353.50 : x
  2. Step 2: Convert to fraction form
    55,042.74/82,561.68 = 38,353.50/x
  3. Step 3: Cross multiply
    55,042.74x = 82,561.68 × 38,353.50
  4. Step 4: Simplify right side
    55,042.74x = 3,166,529,393.88
  5. Step 5: Solve for x
    x = 3,166,529,393.88/55,042.74
  6. Step 6: Final answer
    x = 57,528.56

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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.