Home / 36,021.36-49,710.26-19,888.64

Finding the Fourth Proportional to 36,021.36, 49,710.26 and 19,888.64

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Solution

The fourth proportional to 36,021.36, 49,710.26 and 19,888.64 is: 27,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.36 : 49,710.26 = 19,888.64 : x
  2. Step 2: Convert to fraction form
    36,021.36/49,710.26 = 19,888.64/x
  3. Step 3: Cross multiply
    36,021.36x = 49,710.26 × 19,888.64
  4. Step 4: Simplify right side
    36,021.36x = 988,669,341.16
  5. Step 5: Solve for x
    x = 988,669,341.16/36,021.36
  6. Step 6: Final answer
    x = 27,446.75

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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.