Home / 34,727.72-47,921.40-19,621.69

Finding the Fourth Proportional to 34,727.72, 47,921.40 and 19,621.69

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Solution

The fourth proportional to 34,727.72, 47,921.40 and 19,621.69 is: 27,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.72 : 47,921.40 = 19,621.69 : x
  2. Step 2: Convert to fraction form
    34,727.72/47,921.40 = 19,621.69/x
  3. Step 3: Cross multiply
    34,727.72x = 47,921.40 × 19,621.69
  4. Step 4: Simplify right side
    34,727.72x = 940,298,735.36
  5. Step 5: Solve for x
    x = 940,298,735.36/34,727.72
  6. Step 6: Final answer
    x = 27,076.32

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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.