Home / 56,918.50-78,553.10-33,043.75

Finding the Fourth Proportional to 56,918.50, 78,553.10 and 33,043.75

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Solution

The fourth proportional to 56,918.50, 78,553.10 and 33,043.75 is: 45,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.50 : 78,553.10 = 33,043.75 : x
  2. Step 2: Convert to fraction form
    56,918.50/78,553.10 = 33,043.75/x
  3. Step 3: Cross multiply
    56,918.50x = 78,553.10 × 33,043.75
  4. Step 4: Simplify right side
    56,918.50x = 2,595,688,884.35
  5. Step 5: Solve for x
    x = 2,595,688,884.35/56,918.50
  6. Step 6: Final answer
    x = 45,603.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.