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Finding the Fourth Proportional to 36,677.25, 55,015.88 and 13,303.71

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Solution

The fourth proportional to 36,677.25, 55,015.88 and 13,303.71 is: 19,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,677.25 : 55,015.88 = 13,303.71 : x
  2. Step 2: Convert to fraction form
    36,677.25/55,015.88 = 13,303.71/x
  3. Step 3: Cross multiply
    36,677.25x = 55,015.88 × 13,303.71
  4. Step 4: Simplify right side
    36,677.25x = 731,915,246.40
  5. Step 5: Solve for x
    x = 731,915,246.40/36,677.25
  6. Step 6: Final answer
    x = 19,955.57

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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.