Home / 43,341.72-65,013.64-13,356.60

Finding the Fourth Proportional to 43,341.72, 65,013.64 and 13,356.60

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Solution

The fourth proportional to 43,341.72, 65,013.64 and 13,356.60 is: 20,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.72 : 65,013.64 = 13,356.60 : x
  2. Step 2: Convert to fraction form
    43,341.72/65,013.64 = 13,356.60/x
  3. Step 3: Cross multiply
    43,341.72x = 65,013.64 × 13,356.60
  4. Step 4: Simplify right side
    43,341.72x = 868,361,184.02
  5. Step 5: Solve for x
    x = 868,361,184.02/43,341.72
  6. Step 6: Final answer
    x = 20,035.23

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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.