Home / 38,759.84-58,135.44-11,057.12

Finding the Fourth Proportional to 38,759.84, 58,135.44 and 11,057.12

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Solution

The fourth proportional to 38,759.84, 58,135.44 and 11,057.12 is: 16,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.84 : 58,135.44 = 11,057.12 : x
  2. Step 2: Convert to fraction form
    38,759.84/58,135.44 = 11,057.12/x
  3. Step 3: Cross multiply
    38,759.84x = 58,135.44 × 11,057.12
  4. Step 4: Simplify right side
    38,759.84x = 642,810,536.33
  5. Step 5: Solve for x
    x = 642,810,536.33/38,759.84
  6. Step 6: Final answer
    x = 16,584.45

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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.