Home / 36,175.36-49,919.28-21,068.12

Finding the Fourth Proportional to 36,175.36, 49,919.28 and 21,068.12

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Solution

The fourth proportional to 36,175.36, 49,919.28 and 21,068.12 is: 29,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,175.36 : 49,919.28 = 21,068.12 : x
  2. Step 2: Convert to fraction form
    36,175.36/49,919.28 = 21,068.12/x
  3. Step 3: Cross multiply
    36,175.36x = 49,919.28 × 21,068.12
  4. Step 4: Simplify right side
    36,175.36x = 1,051,705,381.35
  5. Step 5: Solve for x
    x = 1,051,705,381.35/36,175.36
  6. Step 6: Final answer
    x = 29,072.42

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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.