Home / 43,529.61-65,292.15-11,937.36

Finding the Fourth Proportional to 43,529.61, 65,292.15 and 11,937.36

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Solution

The fourth proportional to 43,529.61, 65,292.15 and 11,937.36 is: 17,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.61 : 65,292.15 = 11,937.36 : x
  2. Step 2: Convert to fraction form
    43,529.61/65,292.15 = 11,937.36/x
  3. Step 3: Cross multiply
    43,529.61x = 65,292.15 × 11,937.36
  4. Step 4: Simplify right side
    43,529.61x = 779,415,899.72
  5. Step 5: Solve for x
    x = 779,415,899.72/43,529.61
  6. Step 6: Final answer
    x = 17,905.42

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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.