Home / 51,821.37-77,729.73-16,281.81

Finding the Fourth Proportional to 51,821.37, 77,729.73 and 16,281.81

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Solution

The fourth proportional to 51,821.37, 77,729.73 and 16,281.81 is: 24,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.37 : 77,729.73 = 16,281.81 : x
  2. Step 2: Convert to fraction form
    51,821.37/77,729.73 = 16,281.81/x
  3. Step 3: Cross multiply
    51,821.37x = 77,729.73 × 16,281.81
  4. Step 4: Simplify right side
    51,821.37x = 1,265,580,634.15
  5. Step 5: Solve for x
    x = 1,265,580,634.15/51,821.37
  6. Step 6: Final answer
    x = 24,421.98

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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.