Home / 38,395.42-57,619.08-13,435.69

Finding the Fourth Proportional to 38,395.42, 57,619.08 and 13,435.69

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Solution

The fourth proportional to 38,395.42, 57,619.08 and 13,435.69 is: 20,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.42 : 57,619.08 = 13,435.69 : x
  2. Step 2: Convert to fraction form
    38,395.42/57,619.08 = 13,435.69/x
  3. Step 3: Cross multiply
    38,395.42x = 57,619.08 × 13,435.69
  4. Step 4: Simplify right side
    38,395.42x = 774,151,761.19
  5. Step 5: Solve for x
    x = 774,151,761.19/38,395.42
  6. Step 6: Final answer
    x = 20,162.61

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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.