Home / 51,470.39-71,023.37-28,806.23

Finding the Fourth Proportional to 51,470.39, 71,023.37 and 28,806.23

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Solution

The fourth proportional to 51,470.39, 71,023.37 and 28,806.23 is: 39,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.39 : 71,023.37 = 28,806.23 : x
  2. Step 2: Convert to fraction form
    51,470.39/71,023.37 = 28,806.23/x
  3. Step 3: Cross multiply
    51,470.39x = 71,023.37 × 28,806.23
  4. Step 4: Simplify right side
    51,470.39x = 2,045,915,032.45
  5. Step 5: Solve for x
    x = 2,045,915,032.45/51,470.39
  6. Step 6: Final answer
    x = 39,749.36

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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.