Home / 45,822.40-68,733.60-28,235.20

Finding the Fourth Proportional to 45,822.40, 68,733.60 and 28,235.20

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Solution

The fourth proportional to 45,822.40, 68,733.60 and 28,235.20 is: 42,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.40 : 68,733.60 = 28,235.20 : x
  2. Step 2: Convert to fraction form
    45,822.40/68,733.60 = 28,235.20/x
  3. Step 3: Cross multiply
    45,822.40x = 68,733.60 × 28,235.20
  4. Step 4: Simplify right side
    45,822.40x = 1,940,706,942.72
  5. Step 5: Solve for x
    x = 1,940,706,942.72/45,822.40
  6. Step 6: Final answer
    x = 42,352.80

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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.