Home / 43,156.92-64,742.97-17,856.36

Finding the Fourth Proportional to 43,156.92, 64,742.97 and 17,856.36

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Solution

The fourth proportional to 43,156.92, 64,742.97 and 17,856.36 is: 26,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.92 : 64,742.97 = 17,856.36 : x
  2. Step 2: Convert to fraction form
    43,156.92/64,742.97 = 17,856.36/x
  3. Step 3: Cross multiply
    43,156.92x = 64,742.97 × 17,856.36
  4. Step 4: Simplify right side
    43,156.92x = 1,156,073,779.79
  5. Step 5: Solve for x
    x = 1,156,073,779.79/43,156.92
  6. Step 6: Final answer
    x = 26,787.68

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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.