Home / 56,919.81-85,371.68-31,282.13

Finding the Fourth Proportional to 56,919.81, 85,371.68 and 31,282.13

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Solution

The fourth proportional to 56,919.81, 85,371.68 and 31,282.13 is: 46,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.81 : 85,371.68 = 31,282.13 : x
  2. Step 2: Convert to fraction form
    56,919.81/85,371.68 = 31,282.13/x
  3. Step 3: Cross multiply
    56,919.81x = 85,371.68 × 31,282.13
  4. Step 4: Simplify right side
    56,919.81x = 2,670,608,195.73
  5. Step 5: Solve for x
    x = 2,670,608,195.73/56,919.81
  6. Step 6: Final answer
    x = 46,918.79

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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.