Home / 29,118.96-43,687.08-12,470.76

Finding the Fourth Proportional to 29,118.96, 43,687.08 and 12,470.76

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Solution

The fourth proportional to 29,118.96, 43,687.08 and 12,470.76 is: 18,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.96 : 43,687.08 = 12,470.76 : x
  2. Step 2: Convert to fraction form
    29,118.96/43,687.08 = 12,470.76/x
  3. Step 3: Cross multiply
    29,118.96x = 43,687.08 × 12,470.76
  4. Step 4: Simplify right side
    29,118.96x = 544,811,089.78
  5. Step 5: Solve for x
    x = 544,811,089.78/29,118.96
  6. Step 6: Final answer
    x = 18,709.84

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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.