Home / 42,680.08-64,033.82-17,732.08

Finding the Fourth Proportional to 42,680.08, 64,033.82 and 17,732.08

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Solution

The fourth proportional to 42,680.08, 64,033.82 and 17,732.08 is: 26,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680.08 : 64,033.82 = 17,732.08 : x
  2. Step 2: Convert to fraction form
    42,680.08/64,033.82 = 17,732.08/x
  3. Step 3: Cross multiply
    42,680.08x = 64,033.82 × 17,732.08
  4. Step 4: Simplify right side
    42,680.08x = 1,135,452,818.95
  5. Step 5: Solve for x
    x = 1,135,452,818.95/42,680.08
  6. Step 6: Final answer
    x = 26,603.81

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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.