Home / 56,306.82-77,660.01-39,305.46

Finding the Fourth Proportional to 56,306.82, 77,660.01 and 39,305.46

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Solution

The fourth proportional to 56,306.82, 77,660.01 and 39,305.46 is: 54,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.82 : 77,660.01 = 39,305.46 : x
  2. Step 2: Convert to fraction form
    56,306.82/77,660.01 = 39,305.46/x
  3. Step 3: Cross multiply
    56,306.82x = 77,660.01 × 39,305.46
  4. Step 4: Simplify right side
    56,306.82x = 3,052,462,416.65
  5. Step 5: Solve for x
    x = 3,052,462,416.65/56,306.82
  6. Step 6: Final answer
    x = 54,211.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.