Home / 38,313.45-57,470.29-11,659.70

Finding the Fourth Proportional to 38,313.45, 57,470.29 and 11,659.70

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Solution

The fourth proportional to 38,313.45, 57,470.29 and 11,659.70 is: 17,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.45 : 57,470.29 = 11,659.70 : x
  2. Step 2: Convert to fraction form
    38,313.45/57,470.29 = 11,659.70/x
  3. Step 3: Cross multiply
    38,313.45x = 57,470.29 × 11,659.70
  4. Step 4: Simplify right side
    38,313.45x = 670,086,454.84
  5. Step 5: Solve for x
    x = 670,086,454.84/38,313.45
  6. Step 6: Final answer
    x = 17,489.59

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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.