Home / 55,729.70-76,907.50-30,236.03

Finding the Fourth Proportional to 55,729.70, 76,907.50 and 30,236.03

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Solution

The fourth proportional to 55,729.70, 76,907.50 and 30,236.03 is: 41,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.70 : 76,907.50 = 30,236.03 : x
  2. Step 2: Convert to fraction form
    55,729.70/76,907.50 = 30,236.03/x
  3. Step 3: Cross multiply
    55,729.70x = 76,907.50 × 30,236.03
  4. Step 4: Simplify right side
    55,729.70x = 2,325,377,017.10
  5. Step 5: Solve for x
    x = 2,325,377,017.10/55,729.70
  6. Step 6: Final answer
    x = 41,726.00

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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.