Home / 43,124.64-64,665.09-19,731.03

Finding the Fourth Proportional to 43,124.64, 64,665.09 and 19,731.03

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Solution

The fourth proportional to 43,124.64, 64,665.09 and 19,731.03 is: 29,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.64 : 64,665.09 = 19,731.03 : x
  2. Step 2: Convert to fraction form
    43,124.64/64,665.09 = 19,731.03/x
  3. Step 3: Cross multiply
    43,124.64x = 64,665.09 × 19,731.03
  4. Step 4: Simplify right side
    43,124.64x = 1,275,908,837.58
  5. Step 5: Solve for x
    x = 1,275,908,837.58/43,124.64
  6. Step 6: Final answer
    x = 29,586.54

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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.