Home / 51,883.50-77,811.08-18,597.36

Finding the Fourth Proportional to 51,883.50, 77,811.08 and 18,597.36

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Solution

The fourth proportional to 51,883.50, 77,811.08 and 18,597.36 is: 27,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,883.50 : 77,811.08 = 18,597.36 : x
  2. Step 2: Convert to fraction form
    51,883.50/77,811.08 = 18,597.36/x
  3. Step 3: Cross multiply
    51,883.50x = 77,811.08 × 18,597.36
  4. Step 4: Simplify right side
    51,883.50x = 1,447,080,573.76
  5. Step 5: Solve for x
    x = 1,447,080,573.76/51,883.50
  6. Step 6: Final answer
    x = 27,890.96

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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.