Home / 38,122.82-52,608.06-21,126.62

Finding the Fourth Proportional to 38,122.82, 52,608.06 and 21,126.62

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Solution

The fourth proportional to 38,122.82, 52,608.06 and 21,126.62 is: 29,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.82 : 52,608.06 = 21,126.62 : x
  2. Step 2: Convert to fraction form
    38,122.82/52,608.06 = 21,126.62/x
  3. Step 3: Cross multiply
    38,122.82x = 52,608.06 × 21,126.62
  4. Step 4: Simplify right side
    38,122.82x = 1,111,430,492.56
  5. Step 5: Solve for x
    x = 1,111,430,492.56/38,122.82
  6. Step 6: Final answer
    x = 29,153.94

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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.