Home / 43,056.50-64,610.67-18,432.50

Finding the Fourth Proportional to 43,056.50, 64,610.67 and 18,432.50

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Solution

The fourth proportional to 43,056.50, 64,610.67 and 18,432.50 is: 27,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,056.50 : 64,610.67 = 18,432.50 : x
  2. Step 2: Convert to fraction form
    43,056.50/64,610.67 = 18,432.50/x
  3. Step 3: Cross multiply
    43,056.50x = 64,610.67 × 18,432.50
  4. Step 4: Simplify right side
    43,056.50x = 1,190,936,174.78
  5. Step 5: Solve for x
    x = 1,190,936,174.78/43,056.50
  6. Step 6: Final answer
    x = 27,659.85

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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.