Home / 56,819.37-78,411.26-31,326.64

Finding the Fourth Proportional to 56,819.37, 78,411.26 and 31,326.64

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Solution

The fourth proportional to 56,819.37, 78,411.26 and 31,326.64 is: 43,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.37 : 78,411.26 = 31,326.64 : x
  2. Step 2: Convert to fraction form
    56,819.37/78,411.26 = 31,326.64/x
  3. Step 3: Cross multiply
    56,819.37x = 78,411.26 × 31,326.64
  4. Step 4: Simplify right side
    56,819.37x = 2,456,360,765.28
  5. Step 5: Solve for x
    x = 2,456,360,765.28/56,819.37
  6. Step 6: Final answer
    x = 43,231.05

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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.