Home / 38,122.31-52,608.00-21,126.42

Finding the Fourth Proportional to 38,122.31, 52,608.00 and 21,126.42

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Solution

The fourth proportional to 38,122.31, 52,608.00 and 21,126.42 is: 29,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.31 : 52,608.00 = 21,126.42 : x
  2. Step 2: Convert to fraction form
    38,122.31/52,608.00 = 21,126.42/x
  3. Step 3: Cross multiply
    38,122.31x = 52,608.00 × 21,126.42
  4. Step 4: Simplify right side
    38,122.31x = 1,111,418,334.69
  5. Step 5: Solve for x
    x = 1,111,418,334.69/38,122.31
  6. Step 6: Final answer
    x = 29,154.02

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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.