Home / 56,819.21-78,409.06-31,324.97

Finding the Fourth Proportional to 56,819.21, 78,409.06 and 31,324.97

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Solution

The fourth proportional to 56,819.21, 78,409.06 and 31,324.97 is: 43,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.21 : 78,409.06 = 31,324.97 : x
  2. Step 2: Convert to fraction form
    56,819.21/78,409.06 = 31,324.97/x
  3. Step 3: Cross multiply
    56,819.21x = 78,409.06 × 31,324.97
  4. Step 4: Simplify right side
    56,819.21x = 2,456,161,569.94
  5. Step 5: Solve for x
    x = 2,456,161,569.94/56,819.21
  6. Step 6: Final answer
    x = 43,227.67

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1.5x scale

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.