Home / 56,617.52-78,131.99-31,467.02

Finding the Fourth Proportional to 56,617.52, 78,131.99 and 31,467.02

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Solution

The fourth proportional to 56,617.52, 78,131.99 and 31,467.02 is: 43,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,617.52 : 78,131.99 = 31,467.02 : x
  2. Step 2: Convert to fraction form
    56,617.52/78,131.99 = 31,467.02/x
  3. Step 3: Cross multiply
    56,617.52x = 78,131.99 × 31,467.02
  4. Step 4: Simplify right side
    56,617.52x = 2,458,580,579.98
  5. Step 5: Solve for x
    x = 2,458,580,579.98/56,617.52
  6. Step 6: Final answer
    x = 43,424.38

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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.