Home / 51,103.85-70,525.33-28,443.79

Finding the Fourth Proportional to 51,103.85, 70,525.33 and 28,443.79

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Solution

The fourth proportional to 51,103.85, 70,525.33 and 28,443.79 is: 39,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,103.85 : 70,525.33 = 28,443.79 : x
  2. Step 2: Convert to fraction form
    51,103.85/70,525.33 = 28,443.79/x
  3. Step 3: Cross multiply
    51,103.85x = 70,525.33 × 28,443.79
  4. Step 4: Simplify right side
    51,103.85x = 2,006,007,676.20
  5. Step 5: Solve for x
    x = 2,006,007,676.20/51,103.85
  6. Step 6: Final answer
    x = 39,253.55

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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.