Home / 38,021.13-57,031.70-11,725.97

Finding the Fourth Proportional to 38,021.13, 57,031.70 and 11,725.97

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Solution

The fourth proportional to 38,021.13, 57,031.70 and 11,725.97 is: 17,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.13 : 57,031.70 = 11,725.97 : x
  2. Step 2: Convert to fraction form
    38,021.13/57,031.70 = 11,725.97/x
  3. Step 3: Cross multiply
    38,021.13x = 57,031.70 × 11,725.97
  4. Step 4: Simplify right side
    38,021.13x = 668,751,659.46
  5. Step 5: Solve for x
    x = 668,751,659.46/38,021.13
  6. Step 6: Final answer
    x = 17,588.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.