Home / 47,142.36-65,057.10-25,921.56

Finding the Fourth Proportional to 47,142.36, 65,057.10 and 25,921.56

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Solution

The fourth proportional to 47,142.36, 65,057.10 and 25,921.56 is: 35,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.36 : 65,057.10 = 25,921.56 : x
  2. Step 2: Convert to fraction form
    47,142.36/65,057.10 = 25,921.56/x
  3. Step 3: Cross multiply
    47,142.36x = 65,057.10 × 25,921.56
  4. Step 4: Simplify right side
    47,142.36x = 1,686,381,521.08
  5. Step 5: Solve for x
    x = 1,686,381,521.08/47,142.36
  6. Step 6: Final answer
    x = 35,772.11

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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.