Home / 43,225.61-64,845.33-18,265.90

Finding the Fourth Proportional to 43,225.61, 64,845.33 and 18,265.90

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Solution

The fourth proportional to 43,225.61, 64,845.33 and 18,265.90 is: 27,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,225.61 : 64,845.33 = 18,265.90 : x
  2. Step 2: Convert to fraction form
    43,225.61/64,845.33 = 18,265.90/x
  3. Step 3: Cross multiply
    43,225.61x = 64,845.33 × 18,265.90
  4. Step 4: Simplify right side
    43,225.61x = 1,184,458,313.25
  5. Step 5: Solve for x
    x = 1,184,458,313.25/43,225.61
  6. Step 6: Final answer
    x = 27,401.77

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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.