Home / 56,021.60-83,953.20-31,072.64

Finding the Fourth Proportional to 56,021.60, 83,953.20 and 31,072.64

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Solution

The fourth proportional to 56,021.60, 83,953.20 and 31,072.64 is: 46,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021.60 : 83,953.20 = 31,072.64 : x
  2. Step 2: Convert to fraction form
    56,021.60/83,953.20 = 31,072.64/x
  3. Step 3: Cross multiply
    56,021.60x = 83,953.20 × 31,072.64
  4. Step 4: Simplify right side
    56,021.60x = 2,608,647,560.45
  5. Step 5: Solve for x
    x = 2,608,647,560.45/56,021.60
  6. Step 6: Final answer
    x = 46,565.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.