Home / 43,965.78-65,957.90-14,381.30

Finding the Fourth Proportional to 43,965.78, 65,957.90 and 14,381.30

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Solution

The fourth proportional to 43,965.78, 65,957.90 and 14,381.30 is: 21,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,965.78 : 65,957.90 = 14,381.30 : x
  2. Step 2: Convert to fraction form
    43,965.78/65,957.90 = 14,381.30/x
  3. Step 3: Cross multiply
    43,965.78x = 65,957.90 × 14,381.30
  4. Step 4: Simplify right side
    43,965.78x = 948,559,945.57
  5. Step 5: Solve for x
    x = 948,559,945.57/43,965.78
  6. Step 6: Final answer
    x = 21,574.96

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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.