Home / 29,930.64-44,871.48-12,390.96

Finding the Fourth Proportional to 29,930.64, 44,871.48 and 12,390.96

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Solution

The fourth proportional to 29,930.64, 44,871.48 and 12,390.96 is: 18,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,930.64 : 44,871.48 = 12,390.96 : x
  2. Step 2: Convert to fraction form
    29,930.64/44,871.48 = 12,390.96/x
  3. Step 3: Cross multiply
    29,930.64x = 44,871.48 × 12,390.96
  4. Step 4: Simplify right side
    29,930.64x = 556,000,713.82
  5. Step 5: Solve for x
    x = 556,000,713.82/29,930.64
  6. Step 6: Final answer
    x = 18,576.31

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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.