Home / 43,812.56-65,712.68-14,230.80

Finding the Fourth Proportional to 43,812.56, 65,712.68 and 14,230.80

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Solution

The fourth proportional to 43,812.56, 65,712.68 and 14,230.80 is: 21,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.56 : 65,712.68 = 14,230.80 : x
  2. Step 2: Convert to fraction form
    43,812.56/65,712.68 = 14,230.80/x
  3. Step 3: Cross multiply
    43,812.56x = 65,712.68 × 14,230.80
  4. Step 4: Simplify right side
    43,812.56x = 935,144,006.54
  5. Step 5: Solve for x
    x = 935,144,006.54/43,812.56
  6. Step 6: Final answer
    x = 21,344.20

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1.5x scale

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.