Home / 39,832.96-54,971.20-23,918.72

Finding the Fourth Proportional to 39,832.96, 54,971.20 and 23,918.72

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Solution

The fourth proportional to 39,832.96, 54,971.20 and 23,918.72 is: 33,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.96 : 54,971.20 = 23,918.72 : x
  2. Step 2: Convert to fraction form
    39,832.96/54,971.20 = 23,918.72/x
  3. Step 3: Cross multiply
    39,832.96x = 54,971.20 × 23,918.72
  4. Step 4: Simplify right side
    39,832.96x = 1,314,840,740.86
  5. Step 5: Solve for x
    x = 1,314,840,740.86/39,832.96
  6. Step 6: Final answer
    x = 33,008.86

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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.