Home / 51,436.58-77,129.35-16,371.68

Finding the Fourth Proportional to 51,436.58, 77,129.35 and 16,371.68

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Solution

The fourth proportional to 51,436.58, 77,129.35 and 16,371.68 is: 24,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.58 : 77,129.35 = 16,371.68 : x
  2. Step 2: Convert to fraction form
    51,436.58/77,129.35 = 16,371.68/x
  3. Step 3: Cross multiply
    51,436.58x = 77,129.35 × 16,371.68
  4. Step 4: Simplify right side
    51,436.58x = 1,262,736,610.23
  5. Step 5: Solve for x
    x = 1,262,736,610.23/51,436.58
  6. Step 6: Final answer
    x = 24,549.39

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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.