Home / 42,495.30-63,676.35-26,879.94

Finding the Fourth Proportional to 42,495.30, 63,676.35 and 26,879.94

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Solution

The fourth proportional to 42,495.30, 63,676.35 and 26,879.94 is: 40,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,495.30 : 63,676.35 = 26,879.94 : x
  2. Step 2: Convert to fraction form
    42,495.30/63,676.35 = 26,879.94/x
  3. Step 3: Cross multiply
    42,495.30x = 63,676.35 × 26,879.94
  4. Step 4: Simplify right side
    42,495.30x = 1,711,616,467.42
  5. Step 5: Solve for x
    x = 1,711,616,467.42/42,495.30
  6. Step 6: Final answer
    x = 40,277.78

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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.