Home / 55,300.86-82,927.89-30,333.78

Finding the Fourth Proportional to 55,300.86, 82,927.89 and 30,333.78

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Solution

The fourth proportional to 55,300.86, 82,927.89 and 30,333.78 is: 45,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,300.86 : 82,927.89 = 30,333.78 : x
  2. Step 2: Convert to fraction form
    55,300.86/82,927.89 = 30,333.78/x
  3. Step 3: Cross multiply
    55,300.86x = 82,927.89 × 30,333.78
  4. Step 4: Simplify right side
    55,300.86x = 2,515,516,371.12
  5. Step 5: Solve for x
    x = 2,515,516,371.12/55,300.86
  6. Step 6: Final answer
    x = 45,487.83

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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.