Home / 56,445.96-84,609.68-18,993.04

Finding the Fourth Proportional to 56,445.96, 84,609.68 and 18,993.04

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Solution

The fourth proportional to 56,445.96, 84,609.68 and 18,993.04 is: 28,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445.96 : 84,609.68 = 18,993.04 : x
  2. Step 2: Convert to fraction form
    56,445.96/84,609.68 = 18,993.04/x
  3. Step 3: Cross multiply
    56,445.96x = 84,609.68 × 18,993.04
  4. Step 4: Simplify right side
    56,445.96x = 1,606,995,036.63
  5. Step 5: Solve for x
    x = 1,606,995,036.63/56,445.96
  6. Step 6: Final answer
    x = 28,469.62

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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.