Home / 38,122.84-57,170.08-19,396.45

Finding the Fourth Proportional to 38,122.84, 57,170.08 and 19,396.45

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Solution

The fourth proportional to 38,122.84, 57,170.08 and 19,396.45 is: 29,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.84 : 57,170.08 = 19,396.45 : x
  2. Step 2: Convert to fraction form
    38,122.84/57,170.08 = 19,396.45/x
  3. Step 3: Cross multiply
    38,122.84x = 57,170.08 × 19,396.45
  4. Step 4: Simplify right side
    38,122.84x = 1,108,896,598.22
  5. Step 5: Solve for x
    x = 1,108,896,598.22/38,122.84
  6. Step 6: Final answer
    x = 29,087.46

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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.