Home / 29,090.76-40,144.14-17,779.18

Finding the Fourth Proportional to 29,090.76, 40,144.14 and 17,779.18

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Solution

The fourth proportional to 29,090.76, 40,144.14 and 17,779.18 is: 24,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.76 : 40,144.14 = 17,779.18 : x
  2. Step 2: Convert to fraction form
    29,090.76/40,144.14 = 17,779.18/x
  3. Step 3: Cross multiply
    29,090.76x = 40,144.14 × 17,779.18
  4. Step 4: Simplify right side
    29,090.76x = 713,729,891.01
  5. Step 5: Solve for x
    x = 713,729,891.01/29,090.76
  6. Step 6: Final answer
    x = 24,534.59

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Half scale
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Double scale
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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.