Home / 30,893.20-42,632.46-16,746.16

Finding the Fourth Proportional to 30,893.20, 42,632.46 and 16,746.16

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Solution

The fourth proportional to 30,893.20, 42,632.46 and 16,746.16 is: 23,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.20 : 42,632.46 = 16,746.16 : x
  2. Step 2: Convert to fraction form
    30,893.20/42,632.46 = 16,746.16/x
  3. Step 3: Cross multiply
    30,893.20x = 42,632.46 × 16,746.16
  4. Step 4: Simplify right side
    30,893.20x = 713,929,996.35
  5. Step 5: Solve for x
    x = 713,929,996.35/30,893.20
  6. Step 6: Final answer
    x = 23,109.62

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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.