Home / 36,312.10-50,109.15-21,205.62

Finding the Fourth Proportional to 36,312.10, 50,109.15 and 21,205.62

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Solution

The fourth proportional to 36,312.10, 50,109.15 and 21,205.62 is: 29,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.10 : 50,109.15 = 21,205.62 : x
  2. Step 2: Convert to fraction form
    36,312.10/50,109.15 = 21,205.62/x
  3. Step 3: Cross multiply
    36,312.10x = 50,109.15 × 21,205.62
  4. Step 4: Simplify right side
    36,312.10x = 1,062,595,593.42
  5. Step 5: Solve for x
    x = 1,062,595,593.42/36,312.10
  6. Step 6: Final answer
    x = 29,262.85

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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.