Home / 39,415.72-54,372.54-26,652.16

Finding the Fourth Proportional to 39,415.72, 54,372.54 and 26,652.16

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Solution

The fourth proportional to 39,415.72, 54,372.54 and 26,652.16 is: 36,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.72 : 54,372.54 = 26,652.16 : x
  2. Step 2: Convert to fraction form
    39,415.72/54,372.54 = 26,652.16/x
  3. Step 3: Cross multiply
    39,415.72x = 54,372.54 × 26,652.16
  4. Step 4: Simplify right side
    39,415.72x = 1,449,145,635.69
  5. Step 5: Solve for x
    x = 1,449,145,635.69/39,415.72
  6. Step 6: Final answer
    x = 36,765.68

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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.