Home / 56,819.37-78,407.18-31,324.41

Finding the Fourth Proportional to 56,819.37, 78,407.18 and 31,324.41

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Solution

The fourth proportional to 56,819.37, 78,407.18 and 31,324.41 is: 43,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.37 : 78,407.18 = 31,324.41 : x
  2. Step 2: Convert to fraction form
    56,819.37/78,407.18 = 31,324.41/x
  3. Step 3: Cross multiply
    56,819.37x = 78,407.18 × 31,324.41
  4. Step 4: Simplify right side
    56,819.37x = 2,456,058,496.64
  5. Step 5: Solve for x
    x = 2,456,058,496.64/56,819.37
  6. Step 6: Final answer
    x = 43,225.73

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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.