Home / 40,217.58-55,505.34-26,431.56

Finding the Fourth Proportional to 40,217.58, 55,505.34 and 26,431.56

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Solution

The fourth proportional to 40,217.58, 55,505.34 and 26,431.56 is: 36,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.58 : 55,505.34 = 26,431.56 : x
  2. Step 2: Convert to fraction form
    40,217.58/55,505.34 = 26,431.56/x
  3. Step 3: Cross multiply
    40,217.58x = 55,505.34 × 26,431.56
  4. Step 4: Simplify right side
    40,217.58x = 1,467,092,724.53
  5. Step 5: Solve for x
    x = 1,467,092,724.53/40,217.58
  6. Step 6: Final answer
    x = 36,478.89

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1.5x scale

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.