Home / 40,286.40-60,424.12-11,822.59

Finding the Fourth Proportional to 40,286.40, 60,424.12 and 11,822.59

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Solution

The fourth proportional to 40,286.40, 60,424.12 and 11,822.59 is: 17,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.40 : 60,424.12 = 11,822.59 : x
  2. Step 2: Convert to fraction form
    40,286.40/60,424.12 = 11,822.59/x
  3. Step 3: Cross multiply
    40,286.40x = 60,424.12 × 11,822.59
  4. Step 4: Simplify right side
    40,286.40x = 714,369,596.87
  5. Step 5: Solve for x
    x = 714,369,596.87/40,286.40
  6. Step 6: Final answer
    x = 17,732.28

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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.