Home / 29,121.08-43,681.27-20,537.18

Finding the Fourth Proportional to 29,121.08, 43,681.27 and 20,537.18

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Solution

The fourth proportional to 29,121.08, 43,681.27 and 20,537.18 is: 30,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.08 : 43,681.27 = 20,537.18 : x
  2. Step 2: Convert to fraction form
    29,121.08/43,681.27 = 20,537.18/x
  3. Step 3: Cross multiply
    29,121.08x = 43,681.27 × 20,537.18
  4. Step 4: Simplify right side
    29,121.08x = 897,090,104.62
  5. Step 5: Solve for x
    x = 897,090,104.62/29,121.08
  6. Step 6: Final answer
    x = 30,805.52

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Half scale
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Double scale
Find fourth proportional to 29,122.08, 43,682.77 and 20,538.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.