Home / 39,705.24-59,566.50-13,408.86

Finding the Fourth Proportional to 39,705.24, 59,566.50 and 13,408.86

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Solution

The fourth proportional to 39,705.24, 59,566.50 and 13,408.86 is: 20,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.24 : 59,566.50 = 13,408.86 : x
  2. Step 2: Convert to fraction form
    39,705.24/59,566.50 = 13,408.86/x
  3. Step 3: Cross multiply
    39,705.24x = 59,566.50 × 13,408.86
  4. Step 4: Simplify right side
    39,705.24x = 798,718,859.19
  5. Step 5: Solve for x
    x = 798,718,859.19/39,705.24
  6. Step 6: Final answer
    x = 20,116.21

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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.