Home / 43,195-64,764.84-18,228.28

Finding the Fourth Proportional to 43,195, 64,764.84 and 18,228.28

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Solution

The fourth proportional to 43,195, 64,764.84 and 18,228.28 is: 27,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195 : 64,764.84 = 18,228.28 : x
  2. Step 2: Convert to fraction form
    43,195/64,764.84 = 18,228.28/x
  3. Step 3: Cross multiply
    43,195x = 64,764.84 × 18,228.28
  4. Step 4: Simplify right side
    43,195x = 1,180,551,637.68
  5. Step 5: Solve for x
    x = 1,180,551,637.68/43,195
  6. Step 6: Final answer
    x = 27,330.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.