Home / 38,019.33-52,462.09-21,021.28

Finding the Fourth Proportional to 38,019.33, 52,462.09 and 21,021.28

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Solution

The fourth proportional to 38,019.33, 52,462.09 and 21,021.28 is: 29,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.33 : 52,462.09 = 21,021.28 : x
  2. Step 2: Convert to fraction form
    38,019.33/52,462.09 = 21,021.28/x
  3. Step 3: Cross multiply
    38,019.33x = 52,462.09 × 21,021.28
  4. Step 4: Simplify right side
    38,019.33x = 1,102,820,283.28
  5. Step 5: Solve for x
    x = 1,102,820,283.28/38,019.33
  6. Step 6: Final answer
    x = 29,006.83

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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.