Home / 56,806.37-78,393.34-31,313.73

Finding the Fourth Proportional to 56,806.37, 78,393.34 and 31,313.73

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Solution

The fourth proportional to 56,806.37, 78,393.34 and 31,313.73 is: 43,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806.37 : 78,393.34 = 31,313.73 : x
  2. Step 2: Convert to fraction form
    56,806.37/78,393.34 = 31,313.73/x
  3. Step 3: Cross multiply
    56,806.37x = 78,393.34 × 31,313.73
  4. Step 4: Simplify right side
    56,806.37x = 2,454,787,412.31
  5. Step 5: Solve for x
    x = 2,454,787,412.31/56,806.37
  6. Step 6: Final answer
    x = 43,213.24

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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.