Home / 53,092.76-73,271.40-31,576.64

Finding the Fourth Proportional to 53,092.76, 73,271.40 and 31,576.64

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Solution

The fourth proportional to 53,092.76, 73,271.40 and 31,576.64 is: 43,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,092.76 : 73,271.40 = 31,576.64 : x
  2. Step 2: Convert to fraction form
    53,092.76/73,271.40 = 31,576.64/x
  3. Step 3: Cross multiply
    53,092.76x = 73,271.40 × 31,576.64
  4. Step 4: Simplify right side
    53,092.76x = 2,313,664,620.10
  5. Step 5: Solve for x
    x = 2,313,664,620.10/53,092.76
  6. Step 6: Final answer
    x = 43,577.78

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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.