Home / 43,635.72-65,452.28-12,047.71

Finding the Fourth Proportional to 43,635.72, 65,452.28 and 12,047.71

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Solution

The fourth proportional to 43,635.72, 65,452.28 and 12,047.71 is: 18,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.72 : 65,452.28 = 12,047.71 : x
  2. Step 2: Convert to fraction form
    43,635.72/65,452.28 = 12,047.71/x
  3. Step 3: Cross multiply
    43,635.72x = 65,452.28 × 12,047.71
  4. Step 4: Simplify right side
    43,635.72x = 788,550,205.10
  5. Step 5: Solve for x
    x = 788,550,205.10/43,635.72
  6. Step 6: Final answer
    x = 18,071.21

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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.