Home / 43,626.33-65,430.50-12,454.65

Finding the Fourth Proportional to 43,626.33, 65,430.50 and 12,454.65

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Solution

The fourth proportional to 43,626.33, 65,430.50 and 12,454.65 is: 18,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.33 : 65,430.50 = 12,454.65 : x
  2. Step 2: Convert to fraction form
    43,626.33/65,430.50 = 12,454.65/x
  3. Step 3: Cross multiply
    43,626.33x = 65,430.50 × 12,454.65
  4. Step 4: Simplify right side
    43,626.33x = 814,913,914.55
  5. Step 5: Solve for x
    x = 814,913,914.55/43,626.33
  6. Step 6: Final answer
    x = 18,679.41

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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.