Home / 36,453.68-50,306.08-20,538.12

Finding the Fourth Proportional to 36,453.68, 50,306.08 and 20,538.12

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Solution

The fourth proportional to 36,453.68, 50,306.08 and 20,538.12 is: 28,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.68 : 50,306.08 = 20,538.12 : x
  2. Step 2: Convert to fraction form
    36,453.68/50,306.08 = 20,538.12/x
  3. Step 3: Cross multiply
    36,453.68x = 50,306.08 × 20,538.12
  4. Step 4: Simplify right side
    36,453.68x = 1,033,192,307.77
  5. Step 5: Solve for x
    x = 1,033,192,307.77/36,453.68
  6. Step 6: Final answer
    x = 28,342.61

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Half scale
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Double scale
Find fourth proportional to 36,454.68, 50,307.46 and 20,539.12
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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.