Home / 51,180.57-70,629.69-29,960.28

Finding the Fourth Proportional to 51,180.57, 70,629.69 and 29,960.28

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Solution

The fourth proportional to 51,180.57, 70,629.69 and 29,960.28 is: 41,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.57 : 70,629.69 = 29,960.28 : x
  2. Step 2: Convert to fraction form
    51,180.57/70,629.69 = 29,960.28/x
  3. Step 3: Cross multiply
    51,180.57x = 70,629.69 × 29,960.28
  4. Step 4: Simplify right side
    51,180.57x = 2,116,085,288.71
  5. Step 5: Solve for x
    x = 2,116,085,288.71/51,180.57
  6. Step 6: Final answer
    x = 41,345.48

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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.