Home / 36,007.55-49,699.32-21,872.24

Finding the Fourth Proportional to 36,007.55, 49,699.32 and 21,872.24

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Solution

The fourth proportional to 36,007.55, 49,699.32 and 21,872.24 is: 30,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.55 : 49,699.32 = 21,872.24 : x
  2. Step 2: Convert to fraction form
    36,007.55/49,699.32 = 21,872.24/x
  3. Step 3: Cross multiply
    36,007.55x = 49,699.32 × 21,872.24
  4. Step 4: Simplify right side
    36,007.55x = 1,087,035,579.13
  5. Step 5: Solve for x
    x = 1,087,035,579.13/36,007.55
  6. Step 6: Final answer
    x = 30,189.10

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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.