Home / 51,758.90-77,638.31-16,698.56

Finding the Fourth Proportional to 51,758.90, 77,638.31 and 16,698.56

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Solution

The fourth proportional to 51,758.90, 77,638.31 and 16,698.56 is: 25,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,758.90 : 77,638.31 = 16,698.56 : x
  2. Step 2: Convert to fraction form
    51,758.90/77,638.31 = 16,698.56/x
  3. Step 3: Cross multiply
    51,758.90x = 77,638.31 × 16,698.56
  4. Step 4: Simplify right side
    51,758.90x = 1,296,447,506.15
  5. Step 5: Solve for x
    x = 1,296,447,506.15/51,758.90
  6. Step 6: Final answer
    x = 25,047.82

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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.