Home / 52,961.46-79,485.93-21,818.58

Finding the Fourth Proportional to 52,961.46, 79,485.93 and 21,818.58

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Solution

The fourth proportional to 52,961.46, 79,485.93 and 21,818.58 is: 32,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.46 : 79,485.93 = 21,818.58 : x
  2. Step 2: Convert to fraction form
    52,961.46/79,485.93 = 21,818.58/x
  3. Step 3: Cross multiply
    52,961.46x = 79,485.93 × 21,818.58
  4. Step 4: Simplify right side
    52,961.46x = 1,734,270,122.58
  5. Step 5: Solve for x
    x = 1,734,270,122.58/52,961.46
  6. Step 6: Final answer
    x = 32,745.89

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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.