Home / 56,932.19-85,450.36-28,871.61

Finding the Fourth Proportional to 56,932.19, 85,450.36 and 28,871.61

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Solution

The fourth proportional to 56,932.19, 85,450.36 and 28,871.61 is: 43,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.19 : 85,450.36 = 28,871.61 : x
  2. Step 2: Convert to fraction form
    56,932.19/85,450.36 = 28,871.61/x
  3. Step 3: Cross multiply
    56,932.19x = 85,450.36 × 28,871.61
  4. Step 4: Simplify right side
    56,932.19x = 2,467,089,468.28
  5. Step 5: Solve for x
    x = 2,467,089,468.28/56,932.19
  6. Step 6: Final answer
    x = 43,333.82

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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.