Home / 40,152.39-60,238.16-13,857.36

Finding the Fourth Proportional to 40,152.39, 60,238.16 and 13,857.36

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Solution

The fourth proportional to 40,152.39, 60,238.16 and 13,857.36 is: 20,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.39 : 60,238.16 = 13,857.36 : x
  2. Step 2: Convert to fraction form
    40,152.39/60,238.16 = 13,857.36/x
  3. Step 3: Cross multiply
    40,152.39x = 60,238.16 × 13,857.36
  4. Step 4: Simplify right side
    40,152.39x = 834,741,799.57
  5. Step 5: Solve for x
    x = 834,741,799.57/40,152.39
  6. Step 6: Final answer
    x = 20,789.34

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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.