Home / 43,124.77-64,665.27-19,731.16

Finding the Fourth Proportional to 43,124.77, 64,665.27 and 19,731.16

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Solution

The fourth proportional to 43,124.77, 64,665.27 and 19,731.16 is: 29,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.77 : 64,665.27 = 19,731.16 : x
  2. Step 2: Convert to fraction form
    43,124.77/64,665.27 = 19,731.16/x
  3. Step 3: Cross multiply
    43,124.77x = 64,665.27 × 19,731.16
  4. Step 4: Simplify right side
    43,124.77x = 1,275,920,676.48
  5. Step 5: Solve for x
    x = 1,275,920,676.48/43,124.77
  6. Step 6: Final answer
    x = 29,586.73

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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.