Home / 38,340.36-57,446.75-13,366.64

Finding the Fourth Proportional to 38,340.36, 57,446.75 and 13,366.64

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Solution

The fourth proportional to 38,340.36, 57,446.75 and 13,366.64 is: 20,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.36 : 57,446.75 = 13,366.64 : x
  2. Step 2: Convert to fraction form
    38,340.36/57,446.75 = 13,366.64/x
  3. Step 3: Cross multiply
    38,340.36x = 57,446.75 × 13,366.64
  4. Step 4: Simplify right side
    38,340.36x = 767,870,203.45
  5. Step 5: Solve for x
    x = 767,870,203.45/38,340.36
  6. Step 6: Final answer
    x = 20,027.73

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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.