Home / 51,919.86-71,649.37-28,046.53

Finding the Fourth Proportional to 51,919.86, 71,649.37 and 28,046.53

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Solution

The fourth proportional to 51,919.86, 71,649.37 and 28,046.53 is: 38,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.86 : 71,649.37 = 28,046.53 : x
  2. Step 2: Convert to fraction form
    51,919.86/71,649.37 = 28,046.53/x
  3. Step 3: Cross multiply
    51,919.86x = 71,649.37 × 28,046.53
  4. Step 4: Simplify right side
    51,919.86x = 2,009,516,205.19
  5. Step 5: Solve for x
    x = 2,009,516,205.19/51,919.86
  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.