Home / 36,721.59-50,675.67-20,809.08

Finding the Fourth Proportional to 36,721.59, 50,675.67 and 20,809.08

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Solution

The fourth proportional to 36,721.59, 50,675.67 and 20,809.08 is: 28,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.59 : 50,675.67 = 20,809.08 : x
  2. Step 2: Convert to fraction form
    36,721.59/50,675.67 = 20,809.08/x
  3. Step 3: Cross multiply
    36,721.59x = 50,675.67 × 20,809.08
  4. Step 4: Simplify right side
    36,721.59x = 1,054,514,071.08
  5. Step 5: Solve for x
    x = 1,054,514,071.08/36,721.59
  6. Step 6: Final answer
    x = 28,716.46

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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.