Home / 29,181.76-40,270.58-16,607.20

Finding the Fourth Proportional to 29,181.76, 40,270.58 and 16,607.20

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Solution

The fourth proportional to 29,181.76, 40,270.58 and 16,607.20 is: 22,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.76 : 40,270.58 = 16,607.20 : x
  2. Step 2: Convert to fraction form
    29,181.76/40,270.58 = 16,607.20/x
  3. Step 3: Cross multiply
    29,181.76x = 40,270.58 × 16,607.20
  4. Step 4: Simplify right side
    29,181.76x = 668,781,576.18
  5. Step 5: Solve for x
    x = 668,781,576.18/29,181.76
  6. Step 6: Final answer
    x = 22,917.79

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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.