Home / 38,055.24-52,513.38-21,285

Finding the Fourth Proportional to 38,055.24, 52,513.38 and 21,285

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Solution

The fourth proportional to 38,055.24, 52,513.38 and 21,285 is: 29,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.24 : 52,513.38 = 21,285 : x
  2. Step 2: Convert to fraction form
    38,055.24/52,513.38 = 21,285/x
  3. Step 3: Cross multiply
    38,055.24x = 52,513.38 × 21,285
  4. Step 4: Simplify right side
    38,055.24x = 1,117,747,293.30
  5. Step 5: Solve for x
    x = 1,117,747,293.30/38,055.24
  6. Step 6: Final answer
    x = 29,371.71

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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.