Home / 43,529.56-65,294.36-11,939.95

Finding the Fourth Proportional to 43,529.56, 65,294.36 and 11,939.95

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Solution

The fourth proportional to 43,529.56, 65,294.36 and 11,939.95 is: 17,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.56 : 65,294.36 = 11,939.95 : x
  2. Step 2: Convert to fraction form
    43,529.56/65,294.36 = 11,939.95/x
  3. Step 3: Cross multiply
    43,529.56x = 65,294.36 × 11,939.95
  4. Step 4: Simplify right side
    43,529.56x = 779,611,393.68
  5. Step 5: Solve for x
    x = 779,611,393.68/43,529.56
  6. Step 6: Final answer
    x = 17,909.93

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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.