Home / 51,453.60-77,186.40-16,396.80

Finding the Fourth Proportional to 51,453.60, 77,186.40 and 16,396.80

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Solution

The fourth proportional to 51,453.60, 77,186.40 and 16,396.80 is: 24,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.60 : 77,186.40 = 16,396.80 : x
  2. Step 2: Convert to fraction form
    51,453.60/77,186.40 = 16,396.80/x
  3. Step 3: Cross multiply
    51,453.60x = 77,186.40 × 16,396.80
  4. Step 4: Simplify right side
    51,453.60x = 1,265,609,963.52
  5. Step 5: Solve for x
    x = 1,265,609,963.52/51,453.60
  6. Step 6: Final answer
    x = 24,597.11

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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.