Home / 31,328.64-43,233.48-17,181.54

Finding the Fourth Proportional to 31,328.64, 43,233.48 and 17,181.54

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Solution

The fourth proportional to 31,328.64, 43,233.48 and 17,181.54 is: 23,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.64 : 43,233.48 = 17,181.54 : x
  2. Step 2: Convert to fraction form
    31,328.64/43,233.48 = 17,181.54/x
  3. Step 3: Cross multiply
    31,328.64x = 43,233.48 × 17,181.54
  4. Step 4: Simplify right side
    31,328.64x = 742,817,765.96
  5. Step 5: Solve for x
    x = 742,817,765.96/31,328.64
  6. Step 6: Final answer
    x = 23,710.50

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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.