Home / 51,919.87-71,649.36-28,046.54

Finding the Fourth Proportional to 51,919.87, 71,649.36 and 28,046.54

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Solution

The fourth proportional to 51,919.87, 71,649.36 and 28,046.54 is: 38,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.87 : 71,649.36 = 28,046.54 : x
  2. Step 2: Convert to fraction form
    51,919.87/71,649.36 = 28,046.54/x
  3. Step 3: Cross multiply
    51,919.87x = 71,649.36 × 28,046.54
  4. Step 4: Simplify right side
    51,919.87x = 2,009,516,641.21
  5. Step 5: Solve for x
    x = 2,009,516,641.21/51,919.87
  6. Step 6: Final answer
    x = 38,704.19

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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.