Home / 37,658.26-51,969.07-20,663.34

Finding the Fourth Proportional to 37,658.26, 51,969.07 and 20,663.34

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Solution

The fourth proportional to 37,658.26, 51,969.07 and 20,663.34 is: 28,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.26 : 51,969.07 = 20,663.34 : x
  2. Step 2: Convert to fraction form
    37,658.26/51,969.07 = 20,663.34/x
  3. Step 3: Cross multiply
    37,658.26x = 51,969.07 × 20,663.34
  4. Step 4: Simplify right side
    37,658.26x = 1,073,854,459.58
  5. Step 5: Solve for x
    x = 1,073,854,459.58/37,658.26
  6. Step 6: Final answer
    x = 28,515.78

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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.