Home / 39,760.43-59,650.41-19,779.35

Finding the Fourth Proportional to 39,760.43, 59,650.41 and 19,779.35

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Solution

The fourth proportional to 39,760.43, 59,650.41 and 19,779.35 is: 29,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.43 : 59,650.41 = 19,779.35 : x
  2. Step 2: Convert to fraction form
    39,760.43/59,650.41 = 19,779.35/x
  3. Step 3: Cross multiply
    39,760.43x = 59,650.41 × 19,779.35
  4. Step 4: Simplify right side
    39,760.43x = 1,179,846,337.03
  5. Step 5: Solve for x
    x = 1,179,846,337.03/39,760.43
  6. Step 6: Final answer
    x = 29,673.88

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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.