Home / 45,591.45-62,945.09-31,275.26

Finding the Fourth Proportional to 45,591.45, 62,945.09 and 31,275.26

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Solution

The fourth proportional to 45,591.45, 62,945.09 and 31,275.26 is: 43,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.45 : 62,945.09 = 31,275.26 : x
  2. Step 2: Convert to fraction form
    45,591.45/62,945.09 = 31,275.26/x
  3. Step 3: Cross multiply
    45,591.45x = 62,945.09 × 31,275.26
  4. Step 4: Simplify right side
    45,591.45x = 1,968,624,055.47
  5. Step 5: Solve for x
    x = 1,968,624,055.47/45,591.45
  6. Step 6: Final answer
    x = 43,179.68

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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.