Home / 36,109.12-54,172.90-13,916.54

Finding the Fourth Proportional to 36,109.12, 54,172.90 and 13,916.54

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Solution

The fourth proportional to 36,109.12, 54,172.90 and 13,916.54 is: 20,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.12 : 54,172.90 = 13,916.54 : x
  2. Step 2: Convert to fraction form
    36,109.12/54,172.90 = 13,916.54/x
  3. Step 3: Cross multiply
    36,109.12x = 54,172.90 × 13,916.54
  4. Step 4: Simplify right side
    36,109.12x = 753,899,329.77
  5. Step 5: Solve for x
    x = 753,899,329.77/36,109.12
  6. Step 6: Final answer
    x = 20,878.36

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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.