Home / 51,759.90-77,639.80-16,699.56

Finding the Fourth Proportional to 51,759.90, 77,639.80 and 16,699.56

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Solution

The fourth proportional to 51,759.90, 77,639.80 and 16,699.56 is: 25,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.90 : 77,639.80 = 16,699.56 : x
  2. Step 2: Convert to fraction form
    51,759.90/77,639.80 = 16,699.56/x
  3. Step 3: Cross multiply
    51,759.90x = 77,639.80 × 16,699.56
  4. Step 4: Simplify right side
    51,759.90x = 1,296,550,498.49
  5. Step 5: Solve for x
    x = 1,296,550,498.49/51,759.90
  6. Step 6: Final answer
    x = 25,049.32

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1.5x scale

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.