Home / 51,945.28-77,920.34-26,969.54

Finding the Fourth Proportional to 51,945.28, 77,920.34 and 26,969.54

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Solution

The fourth proportional to 51,945.28, 77,920.34 and 26,969.54 is: 40,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.28 : 77,920.34 = 26,969.54 : x
  2. Step 2: Convert to fraction form
    51,945.28/77,920.34 = 26,969.54/x
  3. Step 3: Cross multiply
    51,945.28x = 77,920.34 × 26,969.54
  4. Step 4: Simplify right side
    51,945.28x = 2,101,475,726.44
  5. Step 5: Solve for x
    x = 2,101,475,726.44/51,945.28
  6. Step 6: Final answer
    x = 40,455.57

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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.