Home / 35,309.72-48,728.18-19,395.05

Finding the Fourth Proportional to 35,309.72, 48,728.18 and 19,395.05

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Solution

The fourth proportional to 35,309.72, 48,728.18 and 19,395.05 is: 26,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.72 : 48,728.18 = 19,395.05 : x
  2. Step 2: Convert to fraction form
    35,309.72/48,728.18 = 19,395.05/x
  3. Step 3: Cross multiply
    35,309.72x = 48,728.18 × 19,395.05
  4. Step 4: Simplify right side
    35,309.72x = 945,085,292.36
  5. Step 5: Solve for x
    x = 945,085,292.36/35,309.72
  6. Step 6: Final answer
    x = 26,765.58

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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.