Home / 56,730.15-78,286.94-31,235.97

Finding the Fourth Proportional to 56,730.15, 78,286.94 and 31,235.97

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Solution

The fourth proportional to 56,730.15, 78,286.94 and 31,235.97 is: 43,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.15 : 78,286.94 = 31,235.97 : x
  2. Step 2: Convert to fraction form
    56,730.15/78,286.94 = 31,235.97/x
  3. Step 3: Cross multiply
    56,730.15x = 78,286.94 × 31,235.97
  4. Step 4: Simplify right side
    56,730.15x = 2,445,368,353.05
  5. Step 5: Solve for x
    x = 2,445,368,353.05/56,730.15
  6. Step 6: Final answer
    x = 43,105.27

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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.