Home / 51,707.28-71,362.20-29,046.32

Finding the Fourth Proportional to 51,707.28, 71,362.20 and 29,046.32

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Solution

The fourth proportional to 51,707.28, 71,362.20 and 29,046.32 is: 40,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.28 : 71,362.20 = 29,046.32 : x
  2. Step 2: Convert to fraction form
    51,707.28/71,362.20 = 29,046.32/x
  3. Step 3: Cross multiply
    51,707.28x = 71,362.20 × 29,046.32
  4. Step 4: Simplify right side
    51,707.28x = 2,072,809,297.10
  5. Step 5: Solve for x
    x = 2,072,809,297.10/51,707.28
  6. Step 6: Final answer
    x = 40,087.38

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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.