Home / 51,945.03-71,684.16-28,071.69

Finding the Fourth Proportional to 51,945.03, 71,684.16 and 28,071.69

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Solution

The fourth proportional to 51,945.03, 71,684.16 and 28,071.69 is: 38,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.03 : 71,684.16 = 28,071.69 : x
  2. Step 2: Convert to fraction form
    51,945.03/71,684.16 = 28,071.69/x
  3. Step 3: Cross multiply
    51,945.03x = 71,684.16 × 28,071.69
  4. Step 4: Simplify right side
    51,945.03x = 2,012,295,517.43
  5. Step 5: Solve for x
    x = 2,012,295,517.43/51,945.03
  6. Step 6: Final answer
    x = 38,738.94

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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.