Home / 40,642.96-60,945-17,256.64

Finding the Fourth Proportional to 40,642.96, 60,945 and 17,256.64

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Solution

The fourth proportional to 40,642.96, 60,945 and 17,256.64 is: 25,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.96 : 60,945 = 17,256.64 : x
  2. Step 2: Convert to fraction form
    40,642.96/60,945 = 17,256.64/x
  3. Step 3: Cross multiply
    40,642.96x = 60,945 × 17,256.64
  4. Step 4: Simplify right side
    40,642.96x = 1,051,705,924.80
  5. Step 5: Solve for x
    x = 1,051,705,924.80/40,642.96
  6. Step 6: Final answer
    x = 25,876.71

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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.