Home / 36,207.40-49,967.58-21,109.78

Finding the Fourth Proportional to 36,207.40, 49,967.58 and 21,109.78

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Solution

The fourth proportional to 36,207.40, 49,967.58 and 21,109.78 is: 29,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.40 : 49,967.58 = 21,109.78 : x
  2. Step 2: Convert to fraction form
    36,207.40/49,967.58 = 21,109.78/x
  3. Step 3: Cross multiply
    36,207.40x = 49,967.58 × 21,109.78
  4. Step 4: Simplify right side
    36,207.40x = 1,054,804,620.93
  5. Step 5: Solve for x
    x = 1,054,804,620.93/36,207.40
  6. Step 6: Final answer
    x = 29,132.29

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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.