Home / 51,195.78-70,648.83-28,534.77

Finding the Fourth Proportional to 51,195.78, 70,648.83 and 28,534.77

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Solution

The fourth proportional to 51,195.78, 70,648.83 and 28,534.77 is: 39,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.78 : 70,648.83 = 28,534.77 : x
  2. Step 2: Convert to fraction form
    51,195.78/70,648.83 = 28,534.77/x
  3. Step 3: Cross multiply
    51,195.78x = 70,648.83 × 28,534.77
  4. Step 4: Simplify right side
    51,195.78x = 2,015,948,114.82
  5. Step 5: Solve for x
    x = 2,015,948,114.82/51,195.78
  6. Step 6: Final answer
    x = 39,377.23

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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.