Home / 56,655.54-78,183.09-31,161.96

Finding the Fourth Proportional to 56,655.54, 78,183.09 and 31,161.96

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Solution

The fourth proportional to 56,655.54, 78,183.09 and 31,161.96 is: 43,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,655.54 : 78,183.09 = 31,161.96 : x
  2. Step 2: Convert to fraction form
    56,655.54/78,183.09 = 31,161.96/x
  3. Step 3: Cross multiply
    56,655.54x = 78,183.09 × 31,161.96
  4. Step 4: Simplify right side
    56,655.54x = 2,436,338,323.26
  5. Step 5: Solve for x
    x = 2,436,338,323.26/56,655.54
  6. Step 6: Final answer
    x = 43,002.65

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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.