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Finding the Fourth Proportional to 36,671.28, 50,606.40 and 19,904.28

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Solution

The fourth proportional to 36,671.28, 50,606.40 and 19,904.28 is: 27,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671.28 : 50,606.40 = 19,904.28 : x
  2. Step 2: Convert to fraction form
    36,671.28/50,606.40 = 19,904.28/x
  3. Step 3: Cross multiply
    36,671.28x = 50,606.40 × 19,904.28
  4. Step 4: Simplify right side
    36,671.28x = 1,007,283,955.39
  5. Step 5: Solve for x
    x = 1,007,283,955.39/36,671.28
  6. Step 6: Final answer
    x = 27,467.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.