Home / 56,935.25-78,571.86-31,784.75

Finding the Fourth Proportional to 56,935.25, 78,571.86 and 31,784.75

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Solution

The fourth proportional to 56,935.25, 78,571.86 and 31,784.75 is: 43,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.25 : 78,571.86 = 31,784.75 : x
  2. Step 2: Convert to fraction form
    56,935.25/78,571.86 = 31,784.75/x
  3. Step 3: Cross multiply
    56,935.25x = 78,571.86 × 31,784.75
  4. Step 4: Simplify right side
    56,935.25x = 2,497,386,927.14
  5. Step 5: Solve for x
    x = 2,497,386,927.14/56,935.25
  6. Step 6: Final answer
    x = 43,863.63

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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.