Home / 39,825.91-59,676.29-18,760.98

Finding the Fourth Proportional to 39,825.91, 59,676.29 and 18,760.98

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Solution

The fourth proportional to 39,825.91, 59,676.29 and 18,760.98 is: 28,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.91 : 59,676.29 = 18,760.98 : x
  2. Step 2: Convert to fraction form
    39,825.91/59,676.29 = 18,760.98/x
  3. Step 3: Cross multiply
    39,825.91x = 59,676.29 × 18,760.98
  4. Step 4: Simplify right side
    39,825.91x = 1,119,585,683.16
  5. Step 5: Solve for x
    x = 1,119,585,683.16/39,825.91
  6. Step 6: Final answer
    x = 28,111.99

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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.