Home / 61,021.62-91,427.67-54,858.60

Finding the Fourth Proportional to 61,021.62, 91,427.67 and 54,858.60

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Solution

The fourth proportional to 61,021.62, 91,427.67 and 54,858.60 is: 82,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,021.62 : 91,427.67 = 54,858.60 : x
  2. Step 2: Convert to fraction form
    61,021.62/91,427.67 = 54,858.60/x
  3. Step 3: Cross multiply
    61,021.62x = 91,427.67 × 54,858.60
  4. Step 4: Simplify right side
    61,021.62x = 5,015,593,977.46
  5. Step 5: Solve for x
    x = 5,015,593,977.46/61,021.62
  6. Step 6: Final answer
    x = 82,193.72

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1.5x scale

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.