Home / 51,926.85-77,879.34-18,648.81

Finding the Fourth Proportional to 51,926.85, 77,879.34 and 18,648.81

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Solution

The fourth proportional to 51,926.85, 77,879.34 and 18,648.81 is: 27,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,926.85 : 77,879.34 = 18,648.81 : x
  2. Step 2: Convert to fraction form
    51,926.85/77,879.34 = 18,648.81/x
  3. Step 3: Cross multiply
    51,926.85x = 77,879.34 × 18,648.81
  4. Step 4: Simplify right side
    51,926.85x = 1,452,357,014.59
  5. Step 5: Solve for x
    x = 1,452,357,014.59/51,926.85
  6. Step 6: Final answer
    x = 27,969.29

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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.