Home / 69,464.28-95,855.04-40,780.92

Finding the Fourth Proportional to 69,464.28, 95,855.04 and 40,780.92

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Solution

The fourth proportional to 69,464.28, 95,855.04 and 40,780.92 is: 56,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,464.28 : 95,855.04 = 40,780.92 : x
  2. Step 2: Convert to fraction form
    69,464.28/95,855.04 = 40,780.92/x
  3. Step 3: Cross multiply
    69,464.28x = 95,855.04 × 40,780.92
  4. Step 4: Simplify right side
    69,464.28x = 3,909,056,717.84
  5. Step 5: Solve for x
    x = 3,909,056,717.84/69,464.28
  6. Step 6: Final answer
    x = 56,274.34

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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.