Home / 38,311.36-57,448.53-13,350.82

Finding the Fourth Proportional to 38,311.36, 57,448.53 and 13,350.82

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Solution

The fourth proportional to 38,311.36, 57,448.53 and 13,350.82 is: 20,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.36 : 57,448.53 = 13,350.82 : x
  2. Step 2: Convert to fraction form
    38,311.36/57,448.53 = 13,350.82/x
  3. Step 3: Cross multiply
    38,311.36x = 57,448.53 × 13,350.82
  4. Step 4: Simplify right side
    38,311.36x = 766,984,983.29
  5. Step 5: Solve for x
    x = 766,984,983.29/38,311.36
  6. Step 6: Final answer
    x = 20,019.78

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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.