Home / 30,432.63-41,997.87-17,005.35

Finding the Fourth Proportional to 30,432.63, 41,997.87 and 17,005.35

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Solution

The fourth proportional to 30,432.63, 41,997.87 and 17,005.35 is: 23,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.63 : 41,997.87 = 17,005.35 : x
  2. Step 2: Convert to fraction form
    30,432.63/41,997.87 = 17,005.35/x
  3. Step 3: Cross multiply
    30,432.63x = 41,997.87 × 17,005.35
  4. Step 4: Simplify right side
    30,432.63x = 714,188,478.60
  5. Step 5: Solve for x
    x = 714,188,478.60/30,432.63
  6. Step 6: Final answer
    x = 23,467.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.