Home / 40,868.13-61,302.41-12,405.33

Finding the Fourth Proportional to 40,868.13, 61,302.41 and 12,405.33

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Solution

The fourth proportional to 40,868.13, 61,302.41 and 12,405.33 is: 18,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.13 : 61,302.41 = 12,405.33 : x
  2. Step 2: Convert to fraction form
    40,868.13/61,302.41 = 12,405.33/x
  3. Step 3: Cross multiply
    40,868.13x = 61,302.41 × 12,405.33
  4. Step 4: Simplify right side
    40,868.13x = 760,476,563.82
  5. Step 5: Solve for x
    x = 760,476,563.82/40,868.13
  6. Step 6: Final answer
    x = 18,608.06

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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.