Home / 27,431.16-40,905.87-27,181.68

Finding the Fourth Proportional to 27,431.16, 40,905.87 and 27,181.68

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Solution

The fourth proportional to 27,431.16, 40,905.87 and 27,181.68 is: 40,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.16 : 40,905.87 = 27,181.68 : x
  2. Step 2: Convert to fraction form
    27,431.16/40,905.87 = 27,181.68/x
  3. Step 3: Cross multiply
    27,431.16x = 40,905.87 × 27,181.68
  4. Step 4: Simplify right side
    27,431.16x = 1,111,890,268.46
  5. Step 5: Solve for x
    x = 1,111,890,268.46/27,431.16
  6. Step 6: Final answer
    x = 40,533.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.