Home / 56,866.62-78,476.55-31,716.54

Finding the Fourth Proportional to 56,866.62, 78,476.55 and 31,716.54

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Solution

The fourth proportional to 56,866.62, 78,476.55 and 31,716.54 is: 43,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.62 : 78,476.55 = 31,716.54 : x
  2. Step 2: Convert to fraction form
    56,866.62/78,476.55 = 31,716.54/x
  3. Step 3: Cross multiply
    56,866.62x = 78,476.55 × 31,716.54
  4. Step 4: Simplify right side
    56,866.62x = 2,489,004,637.14
  5. Step 5: Solve for x
    x = 2,489,004,637.14/56,866.62
  6. Step 6: Final answer
    x = 43,769.17

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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.