Home / 39,663.75-59,495.67-11,961.75

Finding the Fourth Proportional to 39,663.75, 59,495.67 and 11,961.75

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Solution

The fourth proportional to 39,663.75, 59,495.67 and 11,961.75 is: 17,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.75 : 59,495.67 = 11,961.75 : x
  2. Step 2: Convert to fraction form
    39,663.75/59,495.67 = 11,961.75/x
  3. Step 3: Cross multiply
    39,663.75x = 59,495.67 × 11,961.75
  4. Step 4: Simplify right side
    39,663.75x = 711,672,330.62
  5. Step 5: Solve for x
    x = 711,672,330.62/39,663.75
  6. Step 6: Final answer
    x = 17,942.64

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1.5x scale

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.