Home / 52,939.58-79,440.35-19,682.60

Finding the Fourth Proportional to 52,939.58, 79,440.35 and 19,682.60

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Solution

The fourth proportional to 52,939.58, 79,440.35 and 19,682.60 is: 29,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,939.58 : 79,440.35 = 19,682.60 : x
  2. Step 2: Convert to fraction form
    52,939.58/79,440.35 = 19,682.60/x
  3. Step 3: Cross multiply
    52,939.58x = 79,440.35 × 19,682.60
  4. Step 4: Simplify right side
    52,939.58x = 1,563,592,137.30
  5. Step 5: Solve for x
    x = 1,563,592,137.30/52,939.58
  6. Step 6: Final answer
    x = 29,535.41

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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.