Home / 42,676.63-64,021.02-22,680.91

Finding the Fourth Proportional to 42,676.63, 64,021.02 and 22,680.91

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Solution

The fourth proportional to 42,676.63, 64,021.02 and 22,680.91 is: 34,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,676.63 : 64,021.02 = 22,680.91 : x
  2. Step 2: Convert to fraction form
    42,676.63/64,021.02 = 22,680.91/x
  3. Step 3: Cross multiply
    42,676.63x = 64,021.02 × 22,680.91
  4. Step 4: Simplify right side
    42,676.63x = 1,452,054,992.73
  5. Step 5: Solve for x
    x = 1,452,054,992.73/42,676.63
  6. Step 6: Final answer
    x = 34,024.59

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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.