Home / 43,661.52-65,492.33-18,699.53

Finding the Fourth Proportional to 43,661.52, 65,492.33 and 18,699.53

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Solution

The fourth proportional to 43,661.52, 65,492.33 and 18,699.53 is: 28,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661.52 : 65,492.33 = 18,699.53 : x
  2. Step 2: Convert to fraction form
    43,661.52/65,492.33 = 18,699.53/x
  3. Step 3: Cross multiply
    43,661.52x = 65,492.33 × 18,699.53
  4. Step 4: Simplify right side
    43,661.52x = 1,224,676,105.31
  5. Step 5: Solve for x
    x = 1,224,676,105.31/43,661.52
  6. Step 6: Final answer
    x = 28,049.32

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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.