Home / 56,821.77-85,257.24-30,495.75

Finding the Fourth Proportional to 56,821.77, 85,257.24 and 30,495.75

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Solution

The fourth proportional to 56,821.77, 85,257.24 and 30,495.75 is: 45,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.77 : 85,257.24 = 30,495.75 : x
  2. Step 2: Convert to fraction form
    56,821.77/85,257.24 = 30,495.75/x
  3. Step 3: Cross multiply
    56,821.77x = 85,257.24 × 30,495.75
  4. Step 4: Simplify right side
    56,821.77x = 2,599,983,476.73
  5. Step 5: Solve for x
    x = 2,599,983,476.73/56,821.77
  6. Step 6: Final answer
    x = 45,756.82

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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.