Home / 36,671.40-55,007.10-13,298.60

Finding the Fourth Proportional to 36,671.40, 55,007.10 and 13,298.60

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Solution

The fourth proportional to 36,671.40, 55,007.10 and 13,298.60 is: 19,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671.40 : 55,007.10 = 13,298.60 : x
  2. Step 2: Convert to fraction form
    36,671.40/55,007.10 = 13,298.60/x
  3. Step 3: Cross multiply
    36,671.40x = 55,007.10 × 13,298.60
  4. Step 4: Simplify right side
    36,671.40x = 731,517,420.06
  5. Step 5: Solve for x
    x = 731,517,420.06/36,671.40
  6. Step 6: Final answer
    x = 19,947.90

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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.