Home / 36,368.21-54,535.08-12,667.49

Finding the Fourth Proportional to 36,368.21, 54,535.08 and 12,667.49

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Solution

The fourth proportional to 36,368.21, 54,535.08 and 12,667.49 is: 18,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,368.21 : 54,535.08 = 12,667.49 : x
  2. Step 2: Convert to fraction form
    36,368.21/54,535.08 = 12,667.49/x
  3. Step 3: Cross multiply
    36,368.21x = 54,535.08 × 12,667.49
  4. Step 4: Simplify right side
    36,368.21x = 690,822,580.55
  5. Step 5: Solve for x
    x = 690,822,580.55/36,368.21
  6. Step 6: Final answer
    x = 18,995.23

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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.