Home / 35,945.85-49,579.63-31,157.23

Finding the Fourth Proportional to 35,945.85, 49,579.63 and 31,157.23

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Solution

The fourth proportional to 35,945.85, 49,579.63 and 31,157.23 is: 42,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,945.85 : 49,579.63 = 31,157.23 : x
  2. Step 2: Convert to fraction form
    35,945.85/49,579.63 = 31,157.23/x
  3. Step 3: Cross multiply
    35,945.85x = 49,579.63 × 31,157.23
  4. Step 4: Simplify right side
    35,945.85x = 1,544,764,097.23
  5. Step 5: Solve for x
    x = 1,544,764,097.23/35,945.85
  6. Step 6: Final answer
    x = 42,974.75

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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.