Home / 43,635.22-65,454.25-12,047.65

Finding the Fourth Proportional to 43,635.22, 65,454.25 and 12,047.65

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Solution

The fourth proportional to 43,635.22, 65,454.25 and 12,047.65 is: 18,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.22 : 65,454.25 = 12,047.65 : x
  2. Step 2: Convert to fraction form
    43,635.22/65,454.25 = 12,047.65/x
  3. Step 3: Cross multiply
    43,635.22x = 65,454.25 × 12,047.65
  4. Step 4: Simplify right side
    43,635.22x = 788,569,701.26
  5. Step 5: Solve for x
    x = 788,569,701.26/43,635.22
  6. Step 6: Final answer
    x = 18,071.86

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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.