Home / 51,690.96-71,403.93-40,502.03

Finding the Fourth Proportional to 51,690.96, 71,403.93 and 40,502.03

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Solution

The fourth proportional to 51,690.96, 71,403.93 and 40,502.03 is: 55,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.96 : 71,403.93 = 40,502.03 : x
  2. Step 2: Convert to fraction form
    51,690.96/71,403.93 = 40,502.03/x
  3. Step 3: Cross multiply
    51,690.96x = 71,403.93 × 40,502.03
  4. Step 4: Simplify right side
    51,690.96x = 2,892,003,757.96
  5. Step 5: Solve for x
    x = 2,892,003,757.96/51,690.96
  6. Step 6: Final answer
    x = 55,947.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.