Home / 43,558.63-65,331.80-13,972.62

Finding the Fourth Proportional to 43,558.63, 65,331.80 and 13,972.62

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Solution

The fourth proportional to 43,558.63, 65,331.80 and 13,972.62 is: 20,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558.63 : 65,331.80 = 13,972.62 : x
  2. Step 2: Convert to fraction form
    43,558.63/65,331.80 = 13,972.62/x
  3. Step 3: Cross multiply
    43,558.63x = 65,331.80 × 13,972.62
  4. Step 4: Simplify right side
    43,558.63x = 912,856,345.45
  5. Step 5: Solve for x
    x = 912,856,345.45/43,558.63
  6. Step 6: Final answer
    x = 20,956.96

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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.