Home / 40,936.42-61,406.79-13,236.58

Finding the Fourth Proportional to 40,936.42, 61,406.79 and 13,236.58

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Solution

The fourth proportional to 40,936.42, 61,406.79 and 13,236.58 is: 19,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,936.42 : 61,406.79 = 13,236.58 : x
  2. Step 2: Convert to fraction form
    40,936.42/61,406.79 = 13,236.58/x
  3. Step 3: Cross multiply
    40,936.42x = 61,406.79 × 13,236.58
  4. Step 4: Simplify right side
    40,936.42x = 812,815,888.38
  5. Step 5: Solve for x
    x = 812,815,888.38/40,936.42
  6. Step 6: Final answer
    x = 19,855.57

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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.