Home / 36,454.69-50,306.56-20,538.19

Finding the Fourth Proportional to 36,454.69, 50,306.56 and 20,538.19

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Solution

The fourth proportional to 36,454.69, 50,306.56 and 20,538.19 is: 28,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.69 : 50,306.56 = 20,538.19 : x
  2. Step 2: Convert to fraction form
    36,454.69/50,306.56 = 20,538.19/x
  3. Step 3: Cross multiply
    36,454.69x = 50,306.56 × 20,538.19
  4. Step 4: Simplify right side
    36,454.69x = 1,033,205,687.53
  5. Step 5: Solve for x
    x = 1,033,205,687.53/36,454.69
  6. Step 6: Final answer
    x = 28,342.19

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Half scale
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Double scale
Find fourth proportional to 36,455.69, 50,307.94 and 20,539.19
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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.