Home / 40,908.12-56,435.58-25,788.84

Finding the Fourth Proportional to 40,908.12, 56,435.58 and 25,788.84

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Solution

The fourth proportional to 40,908.12, 56,435.58 and 25,788.84 is: 35,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.12 : 56,435.58 = 25,788.84 : x
  2. Step 2: Convert to fraction form
    40,908.12/56,435.58 = 25,788.84/x
  3. Step 3: Cross multiply
    40,908.12x = 56,435.58 × 25,788.84
  4. Step 4: Simplify right side
    40,908.12x = 1,455,408,142.93
  5. Step 5: Solve for x
    x = 1,455,408,142.93/40,908.12
  6. Step 6: Final answer
    x = 35,577.49

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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.