Home / 36,209.96-49,955.30-21,100.36

Finding the Fourth Proportional to 36,209.96, 49,955.30 and 21,100.36

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Solution

The fourth proportional to 36,209.96, 49,955.30 and 21,100.36 is: 29,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.96 : 49,955.30 = 21,100.36 : x
  2. Step 2: Convert to fraction form
    36,209.96/49,955.30 = 21,100.36/x
  3. Step 3: Cross multiply
    36,209.96x = 49,955.30 × 21,100.36
  4. Step 4: Simplify right side
    36,209.96x = 1,054,074,813.91
  5. Step 5: Solve for x
    x = 1,054,074,813.91/36,209.96
  6. Step 6: Final answer
    x = 29,110.08

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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.