Home / 39,540.24-59,301.77-12,524.72

Finding the Fourth Proportional to 39,540.24, 59,301.77 and 12,524.72

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Solution

The fourth proportional to 39,540.24, 59,301.77 and 12,524.72 is: 18,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.24 : 59,301.77 = 12,524.72 : x
  2. Step 2: Convert to fraction form
    39,540.24/59,301.77 = 12,524.72/x
  3. Step 3: Cross multiply
    39,540.24x = 59,301.77 × 12,524.72
  4. Step 4: Simplify right side
    39,540.24x = 742,737,705.62
  5. Step 5: Solve for x
    x = 742,737,705.62/39,540.24
  6. Step 6: Final answer
    x = 18,784.35

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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.