Home / 36,123.90-49,851.12-20,208.36

Finding the Fourth Proportional to 36,123.90, 49,851.12 and 20,208.36

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Solution

The fourth proportional to 36,123.90, 49,851.12 and 20,208.36 is: 27,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.90 : 49,851.12 = 20,208.36 : x
  2. Step 2: Convert to fraction form
    36,123.90/49,851.12 = 20,208.36/x
  3. Step 3: Cross multiply
    36,123.90x = 49,851.12 × 20,208.36
  4. Step 4: Simplify right side
    36,123.90x = 1,007,409,379.36
  5. Step 5: Solve for x
    x = 1,007,409,379.36/36,123.90
  6. Step 6: Final answer
    x = 27,887.61

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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.