Home / 39,415.85-54,393.86-25,268.69

Finding the Fourth Proportional to 39,415.85, 54,393.86 and 25,268.69

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Solution

The fourth proportional to 39,415.85, 54,393.86 and 25,268.69 is: 34,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.85 : 54,393.86 = 25,268.69 : x
  2. Step 2: Convert to fraction form
    39,415.85/54,393.86 = 25,268.69/x
  3. Step 3: Cross multiply
    39,415.85x = 54,393.86 × 25,268.69
  4. Step 4: Simplify right side
    39,415.85x = 1,374,461,586.24
  5. Step 5: Solve for x
    x = 1,374,461,586.24/39,415.85
  6. Step 6: Final answer
    x = 34,870.78

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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.