Home / 56,415.49-84,601.36-30,105.88

Finding the Fourth Proportional to 56,415.49, 84,601.36 and 30,105.88

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Solution

The fourth proportional to 56,415.49, 84,601.36 and 30,105.88 is: 45,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.49 : 84,601.36 = 30,105.88 : x
  2. Step 2: Convert to fraction form
    56,415.49/84,601.36 = 30,105.88/x
  3. Step 3: Cross multiply
    56,415.49x = 84,601.36 × 30,105.88
  4. Step 4: Simplify right side
    56,415.49x = 2,546,998,392.00
  5. Step 5: Solve for x
    x = 2,546,998,392.00/56,415.49
  6. Step 6: Final answer
    x = 45,147.15

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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.