Home / 51,743.71-71,400.94-31,605.49

Finding the Fourth Proportional to 51,743.71, 71,400.94 and 31,605.49

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Solution

The fourth proportional to 51,743.71, 71,400.94 and 31,605.49 is: 43,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.71 : 71,400.94 = 31,605.49 : x
  2. Step 2: Convert to fraction form
    51,743.71/71,400.94 = 31,605.49/x
  3. Step 3: Cross multiply
    51,743.71x = 71,400.94 × 31,605.49
  4. Step 4: Simplify right side
    51,743.71x = 2,256,661,695.16
  5. Step 5: Solve for x
    x = 2,256,661,695.16/51,743.71
  6. Step 6: Final answer
    x = 43,612.29

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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.