Home / 38,257.07-57,394.86-13,293.50

Finding the Fourth Proportional to 38,257.07, 57,394.86 and 13,293.50

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Solution

The fourth proportional to 38,257.07, 57,394.86 and 13,293.50 is: 19,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.07 : 57,394.86 = 13,293.50 : x
  2. Step 2: Convert to fraction form
    38,257.07/57,394.86 = 13,293.50/x
  3. Step 3: Cross multiply
    38,257.07x = 57,394.86 × 13,293.50
  4. Step 4: Simplify right side
    38,257.07x = 762,978,571.41
  5. Step 5: Solve for x
    x = 762,978,571.41/38,257.07
  6. Step 6: Final answer
    x = 19,943.47

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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.