Home / 36,920.10-50,949.08-21,004.21

Finding the Fourth Proportional to 36,920.10, 50,949.08 and 21,004.21

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Solution

The fourth proportional to 36,920.10, 50,949.08 and 21,004.21 is: 28,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.10 : 50,949.08 = 21,004.21 : x
  2. Step 2: Convert to fraction form
    36,920.10/50,949.08 = 21,004.21/x
  3. Step 3: Cross multiply
    36,920.10x = 50,949.08 × 21,004.21
  4. Step 4: Simplify right side
    36,920.10x = 1,070,144,920.88
  5. Step 5: Solve for x
    x = 1,070,144,920.88/36,920.10
  6. Step 6: Final answer
    x = 28,985.43

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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.