Home / 40,768.80-61,135.92-13,060.32

Finding the Fourth Proportional to 40,768.80, 61,135.92 and 13,060.32

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Solution

The fourth proportional to 40,768.80, 61,135.92 and 13,060.32 is: 19,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.80 : 61,135.92 = 13,060.32 : x
  2. Step 2: Convert to fraction form
    40,768.80/61,135.92 = 13,060.32/x
  3. Step 3: Cross multiply
    40,768.80x = 61,135.92 × 13,060.32
  4. Step 4: Simplify right side
    40,768.80x = 798,454,678.69
  5. Step 5: Solve for x
    x = 798,454,678.69/40,768.80
  6. Step 6: Final answer
    x = 19,584.94

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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.