Home / 45,286.24-67,833.60-28,637.68

Finding the Fourth Proportional to 45,286.24, 67,833.60 and 28,637.68

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Solution

The fourth proportional to 45,286.24, 67,833.60 and 28,637.68 is: 42,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.24 : 67,833.60 = 28,637.68 : x
  2. Step 2: Convert to fraction form
    45,286.24/67,833.60 = 28,637.68/x
  3. Step 3: Cross multiply
    45,286.24x = 67,833.60 × 28,637.68
  4. Step 4: Simplify right side
    45,286.24x = 1,942,596,930.05
  5. Step 5: Solve for x
    x = 1,942,596,930.05/45,286.24
  6. Step 6: Final answer
    x = 42,895.96

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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.