Home / 42,650.95-63,949.04-17,708.21

Finding the Fourth Proportional to 42,650.95, 63,949.04 and 17,708.21

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Solution

The fourth proportional to 42,650.95, 63,949.04 and 17,708.21 is: 26,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.95 : 63,949.04 = 17,708.21 : x
  2. Step 2: Convert to fraction form
    42,650.95/63,949.04 = 17,708.21/x
  3. Step 3: Cross multiply
    42,650.95x = 63,949.04 × 17,708.21
  4. Step 4: Simplify right side
    42,650.95x = 1,132,423,029.62
  5. Step 5: Solve for x
    x = 1,132,423,029.62/42,650.95
  6. Step 6: Final answer
    x = 26,550.95

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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.